28442900

素因数分解:

$2^2\times 5^2\times {\mathrm{284429}}^1$

素因数の和:284443

約数の個数: 18

約数和(自身を含む): 61721310

約数和(自身を除く): 33278410

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 284429, 568858, 1137716, 1422145, 2844290, 5688580, 7110725, 14221450, 28442900]

約数ペア:

[(1, 28442900), (2, 14221450), (4, 7110725), (5, 5688580), (10, 2844290), (20, 1422145), (25, 1137716), (50, 568858), (100, 284429)]