149640970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{1987}}^1$

素因数の和:2454

約数の個数: 32

約数和(自身を含む): 285985728

約数和(自身を除く): 136344758

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 443, 886, 1987, 2215, 3974, 4430, 7531, 9935, 15062, 19870, 33779, 37655, 67558, 75310, 168895, 337790, 880241, 1760482, 4401205, 8802410, 14964097, 29928194, 74820485, 149640970]

約数ペア:

[(1, 149640970), (2, 74820485), (5, 29928194), (10, 14964097), (17, 8802410), (34, 4401205), (85, 1760482), (170, 880241), (443, 337790), (886, 168895), (1987, 75310), (2215, 67558), (3974, 37655), (4430, 33779), (7531, 19870), (9935, 15062)]