220528220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{2381}}^1$

素因数の和:2822

約数の個数: 48

約数和(自身を含む): 506622816

約数和(自身を除く): 286094596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 421, 842, 1684, 2105, 2381, 4210, 4631, 4762, 8420, 9262, 9524, 11905, 18524, 23155, 23810, 26191, 46310, 47620, 52382, 92620, 104764, 130955, 261910, 523820, 1002401, 2004802, 4009604, 5012005, 10024010, 11026411, 20048020, 22052822, 44105644, 55132055, 110264110, 220528220]

約数ペア:

[(1, 220528220), (2, 110264110), (4, 55132055), (5, 44105644), (10, 22052822), (11, 20048020), (20, 11026411), (22, 10024010), (44, 5012005), (55, 4009604), (110, 2004802), (220, 1002401), (421, 523820), (842, 261910), (1684, 130955), (2105, 104764), (2381, 92620), (4210, 52382), (4631, 47620), (4762, 46310), (8420, 26191), (9262, 23810), (9524, 23155), (11905, 18524)]