31304020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7489}}^1$

素因数の和:7528

約数の個数: 48

約数和(自身を含む): 75499200

約数和(自身を除く): 44195180

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, 7489, 14978, 29956, 37445, 74890, 82379, 142291, 149780, 164758, 284582, 329516, 411895, 569164, 711455, 823790, 1422910, 1565201, 1647580, 2845820, 3130402, 6260804, 7826005, 15652010, 31304020]

約数ペア:

[(1, 31304020), (2, 15652010), (4, 7826005), (5, 6260804), (10, 3130402), (11, 2845820), (19, 1647580), (20, 1565201), (22, 1422910), (38, 823790), (44, 711455), (55, 569164), (76, 411895), (95, 329516), (110, 284582), (190, 164758), (209, 149780), (220, 142291), (380, 82379), (418, 74890), (836, 37445), (1045, 29956), (2090, 14978), (4180, 7489)]