291205360

素因数分解:

$2^4\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{2957}}^1$

素因数の和:4201

約数の個数: 40

約数和(自身を含む): 677831616

約数和(自身を除く): 386626256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1231, 2462, 2957, 4924, 5914, 6155, 9848, 11828, 12310, 14785, 19696, 23656, 24620, 29570, 47312, 49240, 59140, 98480, 118280, 236560, 3640067, 7280134, 14560268, 18200335, 29120536, 36400670, 58241072, 72801340, 145602680, 291205360]

約数ペア:

[(1, 291205360), (2, 145602680), (4, 72801340), (5, 58241072), (8, 36400670), (10, 29120536), (16, 18200335), (20, 14560268), (40, 7280134), (80, 3640067), (1231, 236560), (2462, 118280), (2957, 98480), (4924, 59140), (5914, 49240), (6155, 47312), (9848, 29570), (11828, 24620), (12310, 23656), (14785, 19696)]