28830125

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:294

約数の個数: 32

約数和(自身を含む): 38688000

約数和(自身を除く): 9857875

約数列:

[1, 5, 19, 25, 61, 95, 125, 199, 305, 475, 995, 1159, 1525, 2375, 3781, 4975, 5795, 7625, 12139, 18905, 24875, 28975, 60695, 94525, 144875, 230641, 303475, 472625, 1153205, 1517375, 5766025, 28830125]

約数ペア:

[(1, 28830125), (5, 5766025), (19, 1517375), (25, 1153205), (61, 472625), (95, 303475), (125, 230641), (199, 144875), (305, 94525), (475, 60695), (995, 28975), (1159, 24875), (1525, 18905), (2375, 12139), (3781, 7625), (4975, 5795)]