28222900

素因数分解:

$2^2\times 5^2\times {\mathrm{282229}}^1$

素因数の和:282243

約数の個数: 18

約数和(自身を含む): 61243910

約数和(自身を除く): 33021010

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 282229, 564458, 1128916, 1411145, 2822290, 5644580, 7055725, 14111450, 28222900]

約数ペア:

[(1, 28222900), (2, 14111450), (4, 7055725), (5, 5644580), (10, 2822290), (20, 1411145), (25, 1128916), (50, 564458), (100, 282229)]