221870450

素因数分解:

$2^1\times 5^2\times {\mathrm{4437409}}^1$

素因数の和:4437421

約数の個数: 12

約数和(自身を含む): 412679130

約数和(自身を除く): 190808680

約数列:

[1, 2, 5, 10, 25, 50, 4437409, 8874818, 22187045, 44374090, 110935225, 221870450]

約数ペア:

[(1, 221870450), (2, 110935225), (5, 44374090), (10, 22187045), (25, 8874818), (50, 4437409)]