2287505

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 3192000

約数和(自身を除く): 904495

約数列:

[1, 5, 11, 19, 55, 95, 121, 199, 209, 605, 995, 1045, 2189, 2299, 3781, 10945, 11495, 18905, 24079, 41591, 120395, 207955, 457501, 2287505]

約数ペア:

[(1, 2287505), (5, 457501), (11, 207955), (19, 120395), (55, 41591), (95, 24079), (121, 18905), (199, 11495), (209, 10945), (605, 3781), (995, 2299), (1045, 2189)]