68638940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{118343}}^1$

素因数の和:118381

約数の個数: 24

約数和(自身を含む): 149113440

約数和(自身を除く): 80474500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 118343, 236686, 473372, 591715, 1183430, 2366860, 3431947, 6863894, 13727788, 17159735, 34319470, 68638940]

約数ペア:

[(1, 68638940), (2, 34319470), (4, 17159735), (5, 13727788), (10, 6863894), (20, 3431947), (29, 2366860), (58, 1183430), (116, 591715), (145, 473372), (290, 236686), (580, 118343)]