261746210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103457}}^1$

素因数の和:103498

約数の個数: 32

約数和(自身を含む): 536326272

約数和(自身を除く): 274580062

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 103457, 206914, 517285, 1034570, 1138027, 2276054, 2379511, 4759022, 5690135, 11380270, 11897555, 23795110, 26174621, 52349242, 130873105, 261746210]

約数ペア:

[(1, 261746210), (2, 130873105), (5, 52349242), (10, 26174621), (11, 23795110), (22, 11897555), (23, 11380270), (46, 5690135), (55, 4759022), (110, 2379511), (115, 2276054), (230, 1138027), (253, 1034570), (506, 517285), (1265, 206914), (2530, 103457)]