312842620

素因数分解:

$2^2\times 5^1\times {\mathrm{4261}}^1\times {\mathrm{3671}}^1$

素因数の和:7941

約数の個数: 24

約数和(自身を含む): 657302688

約数和(自身を除く): 344460068

約数列:

[1, 2, 4, 5, 10, 20, 3671, 4261, 7342, 8522, 14684, 17044, 18355, 21305, 36710, 42610, 73420, 85220, 15642131, 31284262, 62568524, 78210655, 156421310, 312842620]

約数ペア:

[(1, 312842620), (2, 156421310), (4, 78210655), (5, 62568524), (10, 31284262), (20, 15642131), (3671, 85220), (4261, 73420), (7342, 42610), (8522, 36710), (14684, 21305), (17044, 18355)]