90664280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{323801}}^1$

素因数の和:323819

約数の個数: 32

約数和(自身を含む): 233137440

約数和(自身を除く): 142473160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 323801, 647602, 1295204, 1619005, 2266607, 2590408, 3238010, 4533214, 6476020, 9066428, 11333035, 12952040, 18132856, 22666070, 45332140, 90664280]

約数ペア:

[(1, 90664280), (2, 45332140), (4, 22666070), (5, 18132856), (7, 12952040), (8, 11333035), (10, 9066428), (14, 6476020), (20, 4533214), (28, 3238010), (35, 2590408), (40, 2266607), (56, 1619005), (70, 1295204), (140, 647602), (280, 323801)]