680740

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{337}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 1447992

約数和(自身を除く): 767252

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 337, 404, 505, 674, 1010, 1348, 1685, 2020, 3370, 6740, 34037, 68074, 136148, 170185, 340370, 680740]

約数ペア:

[(1, 680740), (2, 340370), (4, 170185), (5, 136148), (10, 68074), (20, 34037), (101, 6740), (202, 3370), (337, 2020), (404, 1685), (505, 1348), (674, 1010)]