209644360

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{11369}}^1$

素因数の和:11841

約数の個数: 32

約数和(自身を含む): 472764600

約数和(自身を除く): 263120240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3688, 4610, 9220, 11369, 18440, 22738, 45476, 56845, 90952, 113690, 227380, 454760, 5241109, 10482218, 20964436, 26205545, 41928872, 52411090, 104822180, 209644360]

約数ペア:

[(1, 209644360), (2, 104822180), (4, 52411090), (5, 41928872), (8, 26205545), (10, 20964436), (20, 10482218), (40, 5241109), (461, 454760), (922, 227380), (1844, 113690), (2305, 90952), (3688, 56845), (4610, 45476), (9220, 22738), (11369, 18440)]