8904940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2381}}^1$

素因数の和:2418

約数の個数: 48

約数和(自身を含む): 21609504

約数和(自身を除く): 12704564

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 2381, 3740, 4762, 9524, 11905, 23810, 26191, 40477, 47620, 52382, 80954, 104764, 130955, 161908, 202385, 261910, 404770, 445247, 523820, 809540, 890494, 1780988, 2226235, 4452470, 8904940]

約数ペア:

[(1, 8904940), (2, 4452470), (4, 2226235), (5, 1780988), (10, 890494), (11, 809540), (17, 523820), (20, 445247), (22, 404770), (34, 261910), (44, 202385), (55, 161908), (68, 130955), (85, 104764), (110, 80954), (170, 52382), (187, 47620), (220, 40477), (340, 26191), (374, 23810), (748, 11905), (935, 9524), (1870, 4762), (2381, 3740)]