28980590900

素因数分解:

$2^2\times 5^2\times {\mathrm{289805909}}^1$

素因数の和:289805923

約数の個数: 18

約数和(自身を含む): 62887882470

約数和(自身を除く): 33907291570

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 289805909, 579611818, 1159223636, 1449029545, 2898059090, 5796118180, 7245147725, 14490295450, 28980590900]

約数ペア:

[(1, 28980590900), (2, 14490295450), (4, 7245147725), (5, 5796118180), (10, 2898059090), (20, 1449029545), (25, 1159223636), (50, 579611818), (100, 289805909)]