840804910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{402299}}^1$

素因数の和:402336

約数の個数: 32

約数和(自身を含む): 1737936000

約数和(自身を除く): 897131090

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 402299, 804598, 2011495, 4022990, 4425289, 7643681, 8850578, 15287362, 22126445, 38218405, 44252890, 76436810, 84080491, 168160982, 420402455, 840804910]

約数ペア:

[(1, 840804910), (2, 420402455), (5, 168160982), (10, 84080491), (11, 76436810), (19, 44252890), (22, 38218405), (38, 22126445), (55, 15287362), (95, 8850578), (110, 7643681), (190, 4425289), (209, 4022990), (418, 2011495), (1045, 804598), (2090, 402299)]