450775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:115

約数の個数: 24

約数和(自身を含む): 642320

約数和(自身を除く): 191545

約数列:

[1, 5, 13, 19, 25, 65, 73, 95, 247, 325, 365, 475, 949, 1235, 1387, 1825, 4745, 6175, 6935, 18031, 23725, 34675, 90155, 450775]

約数ペア:

[(1, 450775), (5, 90155), (13, 34675), (19, 23725), (25, 18031), (65, 6935), (73, 6175), (95, 4745), (247, 1825), (325, 1387), (365, 1235), (475, 949)]