90098680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2131}}^1$

素因数の和:2300

約数の個数: 64

約数和(自身を含む): 233326080

約数和(自身を除く): 143227400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 280, 302, 604, 755, 1057, 1208, 1510, 2114, 2131, 3020, 4228, 4262, 5285, 6040, 8456, 8524, 10570, 10655, 14917, 17048, 21140, 21310, 29834, 42280, 42620, 59668, 74585, 85240, 119336, 149170, 298340, 321781, 596680, 643562, 1287124, 1608905, 2252467, 2574248, 3217810, 4504934, 6435620, 9009868, 11262335, 12871240, 18019736, 22524670, 45049340, 90098680]

約数ペア:

[(1, 90098680), (2, 45049340), (4, 22524670), (5, 18019736), (7, 12871240), (8, 11262335), (10, 9009868), (14, 6435620), (20, 4504934), (28, 3217810), (35, 2574248), (40, 2252467), (56, 1608905), (70, 1287124), (140, 643562), (151, 596680), (280, 321781), (302, 298340), (604, 149170), (755, 119336), (1057, 85240), (1208, 74585), (1510, 59668), (2114, 42620), (2131, 42280), (3020, 29834), (4228, 21310), (4262, 21140), (5285, 17048), (6040, 14917), (8456, 10655), (8524, 10570)]