850315880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^2\times {\mathrm{4217}}^1$

素因数の和:4370

約数の個数: 48

約数和(自身を含む): 1940997060

約数和(自身を除く): 1090681180

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 4217, 5041, 8434, 10082, 16868, 20164, 21085, 25205, 33736, 40328, 42170, 50410, 84340, 100820, 168680, 201640, 299407, 598814, 1197628, 1497035, 2395256, 2994070, 5988140, 11976280, 21257897, 42515794, 85031588, 106289485, 170063176, 212578970, 425157940, 850315880]

約数ペア:

[(1, 850315880), (2, 425157940), (4, 212578970), (5, 170063176), (8, 106289485), (10, 85031588), (20, 42515794), (40, 21257897), (71, 11976280), (142, 5988140), (284, 2994070), (355, 2395256), (568, 1497035), (710, 1197628), (1420, 598814), (2840, 299407), (4217, 201640), (5041, 168680), (8434, 100820), (10082, 84340), (16868, 50410), (20164, 42170), (21085, 40328), (25205, 33736)]