204968060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{2213}}^1$

素因数の和:2654

約数の個数: 48

約数和(自身を含む): 470891232

約数和(自身を除く): 265923172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 421, 842, 1684, 2105, 2213, 4210, 4426, 4631, 8420, 8852, 9262, 11065, 18524, 22130, 23155, 24343, 44260, 46310, 48686, 92620, 97372, 121715, 243430, 486860, 931673, 1863346, 3726692, 4658365, 9316730, 10248403, 18633460, 20496806, 40993612, 51242015, 102484030, 204968060]

約数ペア:

[(1, 204968060), (2, 102484030), (4, 51242015), (5, 40993612), (10, 20496806), (11, 18633460), (20, 10248403), (22, 9316730), (44, 4658365), (55, 3726692), (110, 1863346), (220, 931673), (421, 486860), (842, 243430), (1684, 121715), (2105, 97372), (2213, 92620), (4210, 48686), (4426, 46310), (4631, 44260), (8420, 24343), (8852, 23155), (9262, 22130), (11065, 18524)]