388625080

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{677}}^1$

素因数の和:928

約数の個数: 64

約数和(自身を含む): 890403840

約数和(自身を除く): 501778760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 127, 226, 254, 452, 508, 565, 635, 677, 904, 1016, 1130, 1270, 1354, 2260, 2540, 2708, 3385, 4520, 5080, 5416, 6770, 13540, 14351, 27080, 28702, 57404, 71755, 76501, 85979, 114808, 143510, 153002, 171958, 287020, 306004, 343916, 382505, 429895, 574040, 612008, 687832, 765010, 859790, 1530020, 1719580, 3060040, 3439160, 9715627, 19431254, 38862508, 48578135, 77725016, 97156270, 194312540, 388625080]

約数ペア:

[(1, 388625080), (2, 194312540), (4, 97156270), (5, 77725016), (8, 48578135), (10, 38862508), (20, 19431254), (40, 9715627), (113, 3439160), (127, 3060040), (226, 1719580), (254, 1530020), (452, 859790), (508, 765010), (565, 687832), (635, 612008), (677, 574040), (904, 429895), (1016, 382505), (1130, 343916), (1270, 306004), (1354, 287020), (2260, 171958), (2540, 153002), (2708, 143510), (3385, 114808), (4520, 85979), (5080, 76501), (5416, 71755), (6770, 57404), (13540, 28702), (14351, 27080)]