518375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:68

約数の個数: 32

約数和(自身を含む): 786240

約数和(自身を除く): 267865

約数列:

[1, 5, 11, 13, 25, 29, 55, 65, 125, 143, 145, 275, 319, 325, 377, 715, 725, 1375, 1595, 1625, 1885, 3575, 3625, 4147, 7975, 9425, 17875, 20735, 39875, 47125, 103675, 518375]

約数ペア:

[(1, 518375), (5, 103675), (11, 47125), (13, 39875), (25, 20735), (29, 17875), (55, 9425), (65, 7975), (125, 4147), (143, 3625), (145, 3575), (275, 1885), (319, 1625), (325, 1595), (377, 1375), (715, 725)]