28472900

素因数分解:

$2^2\times 5^2\times {\mathrm{284729}}^1$

素因数の和:284743

約数の個数: 18

約数和(自身を含む): 61786410

約数和(自身を除く): 33313510

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 284729, 569458, 1138916, 1423645, 2847290, 5694580, 7118225, 14236450, 28472900]

約数ペア:

[(1, 28472900), (2, 14236450), (4, 7118225), (5, 5694580), (10, 2847290), (20, 1423645), (25, 1138916), (50, 569458), (100, 284729)]