400283525

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{1319}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 507408000

約数和(自身を除く): 107124475

約数列:

[1, 5, 25, 61, 199, 305, 995, 1319, 1525, 4975, 6595, 12139, 32975, 60695, 80459, 262481, 303475, 402295, 1312405, 2011475, 6562025, 16011341, 80056705, 400283525]

約数ペア:

[(1, 400283525), (5, 80056705), (25, 16011341), (61, 6562025), (199, 2011475), (305, 1312405), (995, 402295), (1319, 303475), (1525, 262481), (4975, 80459), (6595, 60695), (12139, 32975)]