252391640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{217579}}^1$

素因数の和:217619

約数の個数: 32

約数和(自身を含む): 587466000

約数和(自身を除く): 335074360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 217579, 435158, 870316, 1087895, 1740632, 2175790, 4351580, 6309791, 8703160, 12619582, 25239164, 31548955, 50478328, 63097910, 126195820, 252391640]

約数ペア:

[(1, 252391640), (2, 126195820), (4, 63097910), (5, 50478328), (8, 31548955), (10, 25239164), (20, 12619582), (29, 8703160), (40, 6309791), (58, 4351580), (116, 2175790), (145, 1740632), (232, 1087895), (290, 870316), (580, 435158), (1160, 217579)]