30287890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1471}}^1$

素因数の和:1578

約数の個数: 32

約数和(自身を含む): 57231360

約数和(自身を除く): 26943470

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 710, 1471, 2059, 2942, 4118, 7355, 10295, 14710, 20590, 42659, 85318, 104441, 208882, 213295, 426590, 522205, 1044410, 3028789, 6057578, 15143945, 30287890]

約数ペア:

[(1, 30287890), (2, 15143945), (5, 6057578), (10, 3028789), (29, 1044410), (58, 522205), (71, 426590), (142, 213295), (145, 208882), (290, 104441), (355, 85318), (710, 42659), (1471, 20590), (2059, 14710), (2942, 10295), (4118, 7355)]