401023340

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{144253}}^1$

素因数の和:144401

約数の個数: 24

約数和(自身を含む): 848213520

約数和(自身を除く): 447190180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 144253, 288506, 577012, 721265, 1442530, 2885060, 20051167, 40102334, 80204668, 100255835, 200511670, 401023340]

約数ペア:

[(1, 401023340), (2, 200511670), (4, 100255835), (5, 80204668), (10, 40102334), (20, 20051167), (139, 2885060), (278, 1442530), (556, 721265), (695, 577012), (1390, 288506), (2780, 144253)]