1557137540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11122411}}^1$

素因数の和:11122427

約数の個数: 24

約数和(自身を含む): 3737130432

約数和(自身を除く): 2179992892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11122411, 22244822, 44489644, 55612055, 77856877, 111224110, 155713754, 222448220, 311427508, 389284385, 778568770, 1557137540]

約数ペア:

[(1, 1557137540), (2, 778568770), (4, 389284385), (5, 311427508), (7, 222448220), (10, 155713754), (14, 111224110), (20, 77856877), (28, 55612055), (35, 44489644), (70, 22244822), (140, 11122411)]