284788225

素因数分解:

$5^2\times {\mathrm{809}}^1\times {\mathrm{14081}}^1$

素因数の和:14900

約数の個数: 12

約数和(自身を含む): 353599020

約数和(自身を除く): 68810795

約数列:

[1, 5, 25, 809, 4045, 14081, 20225, 70405, 352025, 11391529, 56957645, 284788225]

約数ペア:

[(1, 284788225), (5, 56957645), (25, 11391529), (809, 352025), (4045, 70405), (14081, 20225)]