157521620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{2689}}^1$

素因数の和:2828

約数の個数: 48

約数和(自身を含む): 345718800

約数和(自身を除く): 188197180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 101, 116, 145, 202, 290, 404, 505, 580, 1010, 2020, 2689, 2929, 5378, 5858, 10756, 11716, 13445, 14645, 26890, 29290, 53780, 58580, 77981, 155962, 271589, 311924, 389905, 543178, 779810, 1086356, 1357945, 1559620, 2715890, 5431780, 7876081, 15752162, 31504324, 39380405, 78760810, 157521620]

約数ペア:

[(1, 157521620), (2, 78760810), (4, 39380405), (5, 31504324), (10, 15752162), (20, 7876081), (29, 5431780), (58, 2715890), (101, 1559620), (116, 1357945), (145, 1086356), (202, 779810), (290, 543178), (404, 389905), (505, 311924), (580, 271589), (1010, 155962), (2020, 77981), (2689, 58580), (2929, 53780), (5378, 29290), (5858, 26890), (10756, 14645), (11716, 13445)]