870625

素因数分解:

$5^4\times 7^1\times {\mathrm{199}}^1$

素因数の和:226

約数の個数: 20

約数和(自身を含む): 1249600

約数和(自身を除く): 378975

約数列:

[1, 5, 7, 25, 35, 125, 175, 199, 625, 875, 995, 1393, 4375, 4975, 6965, 24875, 34825, 124375, 174125, 870625]

約数ペア:

[(1, 870625), (5, 174125), (7, 124375), (25, 34825), (35, 24875), (125, 6965), (175, 4975), (199, 4375), (625, 1393), (875, 995)]