2257090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 48

約数和(自身を含む): 4774464

約数和(自身を除く): 2517374

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 71, 85, 110, 142, 170, 187, 289, 355, 374, 578, 710, 781, 935, 1207, 1445, 1562, 1870, 2414, 2890, 3179, 3905, 6035, 6358, 7810, 12070, 13277, 15895, 20519, 26554, 31790, 41038, 66385, 102595, 132770, 205190, 225709, 451418, 1128545, 2257090]

約数ペア:

[(1, 2257090), (2, 1128545), (5, 451418), (10, 225709), (11, 205190), (17, 132770), (22, 102595), (34, 66385), (55, 41038), (71, 31790), (85, 26554), (110, 20519), (142, 15895), (170, 13277), (187, 12070), (289, 7810), (355, 6358), (374, 6035), (578, 3905), (710, 3179), (781, 2890), (935, 2414), (1207, 1870), (1445, 1562)]