288197980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2058557}}^1$

素因数の和:2058573

約数の個数: 24

約数和(自身を含む): 691675488

約数和(自身を除く): 403477508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2058557, 4117114, 8234228, 10292785, 14409899, 20585570, 28819798, 41171140, 57639596, 72049495, 144098990, 288197980]

約数ペア:

[(1, 288197980), (2, 144098990), (4, 72049495), (5, 57639596), (7, 41171140), (10, 28819798), (14, 20585570), (20, 14409899), (28, 10292785), (35, 8234228), (70, 4117114), (140, 2058557)]