188418980

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{52631}}^1$

素因数の和:52819

約数の個数: 24

約数和(自身を含む): 397897920

約数和(自身を除く): 209478940

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 52631, 105262, 210524, 263155, 526310, 1052620, 9420949, 18841898, 37683796, 47104745, 94209490, 188418980]

約数ペア:

[(1, 188418980), (2, 94209490), (4, 47104745), (5, 37683796), (10, 18841898), (20, 9420949), (179, 1052620), (358, 526310), (716, 263155), (895, 210524), (1790, 105262), (3580, 52631)]