401375

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:60

約数の個数: 24

約数和(自身を含む): 570960

約数和(自身を除く): 169585

約数列:

[1, 5, 13, 19, 25, 65, 95, 125, 169, 247, 325, 475, 845, 1235, 1625, 2375, 3211, 4225, 6175, 16055, 21125, 30875, 80275, 401375]

約数ペア:

[(1, 401375), (5, 80275), (13, 30875), (19, 21125), (25, 16055), (65, 6175), (95, 4225), (125, 3211), (169, 2375), (247, 1625), (325, 1235), (475, 845)]