28412900

素因数分解:

$2^2\times 5^2\times {\mathrm{284129}}^1$

素因数の和:284143

約数の個数: 18

約数和(自身を含む): 61656210

約数和(自身を除く): 33243310

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 284129, 568258, 1136516, 1420645, 2841290, 5682580, 7103225, 14206450, 28412900]

約数ペア:

[(1, 28412900), (2, 14206450), (4, 7103225), (5, 5682580), (10, 2841290), (20, 1420645), (25, 1136516), (50, 568258), (100, 284129)]