31341860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1307}}^1$

素因数の和:1436

約数の個数: 48

約数和(自身を含む): 72515520

約数和(自身を除く): 41173660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 1307, 2180, 2398, 2614, 4796, 5228, 5995, 6535, 11990, 13070, 14377, 23980, 26140, 28754, 57508, 71885, 142463, 143770, 284926, 287540, 569852, 712315, 1424630, 1567093, 2849260, 3134186, 6268372, 7835465, 15670930, 31341860]

約数ペア:

[(1, 31341860), (2, 15670930), (4, 7835465), (5, 6268372), (10, 3134186), (11, 2849260), (20, 1567093), (22, 1424630), (44, 712315), (55, 569852), (109, 287540), (110, 284926), (218, 143770), (220, 142463), (436, 71885), (545, 57508), (1090, 28754), (1199, 26140), (1307, 23980), (2180, 14377), (2398, 13070), (2614, 11990), (4796, 6535), (5228, 5995)]