205654570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{4091}}^1$

素因数の和:4566

約数の個数: 32

約数和(自身を含む): 404813376

約数和(自身を除く): 199158806

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 457, 914, 2285, 4091, 4570, 5027, 8182, 10054, 20455, 25135, 40910, 45001, 50270, 90002, 225005, 450010, 1869587, 3739174, 9347935, 18695870, 20565457, 41130914, 102827285, 205654570]

約数ペア:

[(1, 205654570), (2, 102827285), (5, 41130914), (10, 20565457), (11, 18695870), (22, 9347935), (55, 3739174), (110, 1869587), (457, 450010), (914, 225005), (2285, 90002), (4091, 50270), (4570, 45001), (5027, 40910), (8182, 25135), (10054, 20455)]