211172680

素因数分解:

$2^3\times 5^1\times {\mathrm{2221}}^1\times {\mathrm{2377}}^1$

素因数の和:4609

約数の個数: 32

約数和(自身を含む): 475552440

約数和(自身を除く): 264379760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2221, 2377, 4442, 4754, 8884, 9508, 11105, 11885, 17768, 19016, 22210, 23770, 44420, 47540, 88840, 95080, 5279317, 10558634, 21117268, 26396585, 42234536, 52793170, 105586340, 211172680]

約数ペア:

[(1, 211172680), (2, 105586340), (4, 52793170), (5, 42234536), (8, 26396585), (10, 21117268), (20, 10558634), (40, 5279317), (2221, 95080), (2377, 88840), (4442, 47540), (4754, 44420), (8884, 23770), (9508, 22210), (11105, 19016), (11885, 17768)]