225820225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2389}}^1$

素因数の和:2617

約数の個数: 24

約数和(自身を含む): 296360000

約数和(自身を除く): 70539775

約数列:

[1, 5, 19, 25, 95, 199, 475, 995, 2389, 3781, 4975, 11945, 18905, 45391, 59725, 94525, 226955, 475411, 1134775, 2377055, 9032809, 11885275, 45164045, 225820225]

約数ペア:

[(1, 225820225), (5, 45164045), (19, 11885275), (25, 9032809), (95, 2377055), (199, 1134775), (475, 475411), (995, 226955), (2389, 94525), (3781, 59725), (4975, 45391), (11945, 18905)]