28717900

素因数分解:

$2^2\times 5^2\times {\mathrm{287179}}^1$

素因数の和:287193

約数の個数: 18

約数和(自身を含む): 62318060

約数和(自身を除く): 33600160

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 287179, 574358, 1148716, 1435895, 2871790, 5743580, 7179475, 14358950, 28717900]

約数ペア:

[(1, 28717900), (2, 14358950), (4, 7179475), (5, 5743580), (10, 2871790), (20, 1435895), (25, 1148716), (50, 574358), (100, 287179)]