91218680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{325781}}^1$

素因数の和:325799

約数の個数: 32

約数和(自身を含む): 234563040

約数和(自身を除く): 143344360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 325781, 651562, 1303124, 1628905, 2280467, 2606248, 3257810, 4560934, 6515620, 9121868, 11402335, 13031240, 18243736, 22804670, 45609340, 91218680]

約数ペア:

[(1, 91218680), (2, 45609340), (4, 22804670), (5, 18243736), (7, 13031240), (8, 11402335), (10, 9121868), (14, 6515620), (20, 4560934), (28, 3257810), (35, 2606248), (40, 2280467), (56, 1628905), (70, 1303124), (140, 651562), (280, 325781)]