3870775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 5245200

約数和(自身を除く): 1374425

約数列:

[1, 5, 19, 25, 29, 95, 145, 281, 475, 551, 725, 1405, 2755, 5339, 7025, 8149, 13775, 26695, 40745, 133475, 154831, 203725, 774155, 3870775]

約数ペア:

[(1, 3870775), (5, 774155), (19, 203725), (25, 154831), (29, 133475), (95, 40745), (145, 26695), (281, 13775), (475, 8149), (551, 7025), (725, 5339), (1405, 2755)]