450625

素因数分解:

$5^4\times 7^1\times {\mathrm{103}}^1$

素因数の和:130

約数の個数: 20

約数和(自身を含む): 649792

約数和(自身を除く): 199167

約数列:

[1, 5, 7, 25, 35, 103, 125, 175, 515, 625, 721, 875, 2575, 3605, 4375, 12875, 18025, 64375, 90125, 450625]

約数ペア:

[(1, 450625), (5, 90125), (7, 64375), (25, 18025), (35, 12875), (103, 4375), (125, 3605), (175, 2575), (515, 875), (625, 721)]