206988430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1559}}^1$

素因数の和:1665

約数の個数: 64

約数和(自身を含む): 436700160

約数和(自身を除く): 229711730

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 71, 85, 110, 142, 170, 187, 355, 374, 710, 781, 935, 1207, 1559, 1562, 1870, 2414, 3118, 3905, 6035, 7795, 7810, 12070, 13277, 15590, 17149, 26503, 26554, 34298, 53006, 66385, 85745, 110689, 132515, 132770, 171490, 221378, 265030, 291533, 553445, 583066, 1106890, 1217579, 1457665, 1881713, 2435158, 2915330, 3763426, 6087895, 9408565, 12175790, 18817130, 20698843, 41397686, 103494215, 206988430]

約数ペア:

[(1, 206988430), (2, 103494215), (5, 41397686), (10, 20698843), (11, 18817130), (17, 12175790), (22, 9408565), (34, 6087895), (55, 3763426), (71, 2915330), (85, 2435158), (110, 1881713), (142, 1457665), (170, 1217579), (187, 1106890), (355, 583066), (374, 553445), (710, 291533), (781, 265030), (935, 221378), (1207, 171490), (1559, 132770), (1562, 132515), (1870, 110689), (2414, 85745), (3118, 66385), (3905, 53006), (6035, 34298), (7795, 26554), (7810, 26503), (12070, 17149), (13277, 15590)]