2830625

素因数分解:

$5^4\times 7^1\times {\mathrm{647}}^1$

素因数の和:674

約数の個数: 20

約数和(自身を含む): 4048704

約数和(自身を除く): 1218079

約数列:

[1, 5, 7, 25, 35, 125, 175, 625, 647, 875, 3235, 4375, 4529, 16175, 22645, 80875, 113225, 404375, 566125, 2830625]

約数ペア:

[(1, 2830625), (5, 566125), (7, 404375), (25, 113225), (35, 80875), (125, 22645), (175, 16175), (625, 4529), (647, 4375), (875, 3235)]