209426450

素因数分解:

$2^1\times 5^2\times {\mathrm{421}}^1\times {\mathrm{9949}}^1$

素因数の和:10382

約数の個数: 24

約数和(自身を含む): 390497700

約数和(自身を除く): 181071250

約数列:

[1, 2, 5, 10, 25, 50, 421, 842, 2105, 4210, 9949, 10525, 19898, 21050, 49745, 99490, 248725, 497450, 4188529, 8377058, 20942645, 41885290, 104713225, 209426450]

約数ペア:

[(1, 209426450), (2, 104713225), (5, 41885290), (10, 20942645), (25, 8377058), (50, 4188529), (421, 497450), (842, 248725), (2105, 99490), (4210, 49745), (9949, 21050), (10525, 19898)]