31345820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7499}}^1$

素因数の和:7538

約数の個数: 48

約数和(自身を含む): 75600000

約数和(自身を除く): 44254180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 7499, 14998, 29996, 37495, 74990, 82489, 142481, 149980, 164978, 284962, 329956, 412445, 569924, 712405, 824890, 1424810, 1567291, 1649780, 2849620, 3134582, 6269164, 7836455, 15672910, 31345820]

約数ペア:

[(1, 31345820), (2, 15672910), (4, 7836455), (5, 6269164), (10, 3134582), (11, 2849620), (19, 1649780), (20, 1567291), (22, 1424810), (38, 824890), (44, 712405), (55, 569924), (76, 412445), (95, 329956), (110, 284962), (190, 164978), (209, 149980), (220, 142481), (380, 82489), (418, 74990), (836, 37495), (1045, 29996), (2090, 14998), (4180, 7499)]