266118680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{391351}}^1$

素因数の和:391379

約数の個数: 32

約数和(自身を含む): 633990240

約数和(自身を除く): 367871560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 391351, 782702, 1565404, 1956755, 3130808, 3913510, 6652967, 7827020, 13305934, 15654040, 26611868, 33264835, 53223736, 66529670, 133059340, 266118680]

約数ペア:

[(1, 266118680), (2, 133059340), (4, 66529670), (5, 53223736), (8, 33264835), (10, 26611868), (17, 15654040), (20, 13305934), (34, 7827020), (40, 6652967), (68, 3913510), (85, 3130808), (136, 1956755), (170, 1565404), (340, 782702), (680, 391351)]