661250

素因数分解:

$2^1\times 5^4\times {\mathrm{23}}^2$

素因数の和:68

約数の個数: 30

約数和(自身を含む): 1295679

約数和(自身を除く): 634429

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 529, 575, 625, 1058, 1150, 1250, 2645, 2875, 5290, 5750, 13225, 14375, 26450, 28750, 66125, 132250, 330625, 661250]

約数ペア:

[(1, 661250), (2, 330625), (5, 132250), (10, 66125), (23, 28750), (25, 26450), (46, 14375), (50, 13225), (115, 5750), (125, 5290), (230, 2875), (250, 2645), (529, 1250), (575, 1150), (625, 1058)]