2912249980

素因数分解:

$2^2\times 5^1\times {\mathrm{145612499}}^1$

素因数の和:145612508

約数の個数: 12

約数和(自身を含む): 6115725000

約数和(自身を除く): 3203475020

約数列:

[1, 2, 4, 5, 10, 20, 145612499, 291224998, 582449996, 728062495, 1456124990, 2912249980]

約数ペア:

[(1, 2912249980), (2, 1456124990), (4, 728062495), (5, 582449996), (10, 291224998), (20, 145612499)]