257375

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:115

約数の個数: 16

約数和(自身を含む): 336960

約数和(自身を除く): 79585

約数列:

[1, 5, 25, 29, 71, 125, 145, 355, 725, 1775, 2059, 3625, 8875, 10295, 51475, 257375]

約数ペア:

[(1, 257375), (5, 51475), (25, 10295), (29, 8875), (71, 3625), (125, 2059), (145, 1775), (355, 725)]