Factors of 980
The factors of 980 are 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980. It has 18 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 980 is a whole number that divides it with nothing left over. You only need to test the numbers up to √980 ≈ 31.30; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 18 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: the sum is 2394. Without 980 itself that is 1414, so 980 is an abundant number.
LaTeX source of the formulas on this page
\[ 980 = 2^{2} \times 5 \times 7^{2} \]Factor pairs of 980
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 980 | 1 × 980 = 980 |
| 2 | 490 | 2 × 490 = 980 |
| 4 | 245 | 4 × 245 = 980 |
| 5 | 196 | 5 × 196 = 980 |
| 7 | 140 | 7 × 140 = 980 |
| 10 | 98 | 10 × 98 = 980 |
| 14 | 70 | 14 × 70 = 980 |
| 20 | 49 | 20 × 49 = 980 |
| 28 | 35 | 28 × 35 = 980 |
Questions
What are the factors of 980?
The factors of 980 are 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980. It has 18 factors.
What are the prime factors of 980?
2, 5, 7. As a product: × 5 × .
How many factors does 980 have?
980 has 18 factors (9 factor pairs).
What is the sum of the factors of 980?
2394.
Is 980 a prime number?
No. It is divisible by 2, so 980 = 2 × 490.