1330931380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1471}}^1\times {\mathrm{2381}}^1$

素因数の和:3880

約数の個数: 48

約数和(自身を含む): 2945295360

約数和(自身を除く): 1614363980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1471, 2381, 2942, 4762, 5884, 7355, 9524, 11905, 14710, 23810, 27949, 29420, 45239, 47620, 55898, 90478, 111796, 139745, 180956, 226195, 279490, 452390, 558980, 904780, 3502451, 7004902, 14009804, 17512255, 35024510, 66546569, 70049020, 133093138, 266186276, 332732845, 665465690, 1330931380]

約数ペア:

[(1, 1330931380), (2, 665465690), (4, 332732845), (5, 266186276), (10, 133093138), (19, 70049020), (20, 66546569), (38, 35024510), (76, 17512255), (95, 14009804), (190, 7004902), (380, 3502451), (1471, 904780), (2381, 558980), (2942, 452390), (4762, 279490), (5884, 226195), (7355, 180956), (9524, 139745), (11905, 111796), (14710, 90478), (23810, 55898), (27949, 47620), (29420, 45239)]