389625875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{5657}}^1$

素因数の和:5720

約数の個数: 32

約数和(自身を含む): 529588800

約数和(自身を除く): 139962925

約数列:

[1, 5, 19, 25, 29, 95, 125, 145, 475, 551, 725, 2375, 2755, 3625, 5657, 13775, 28285, 68875, 107483, 141425, 164053, 537415, 707125, 820265, 2687075, 3117007, 4101325, 13435375, 15585035, 20506625, 77925175, 389625875]

約数ペア:

[(1, 389625875), (5, 77925175), (19, 20506625), (25, 15585035), (29, 13435375), (95, 4101325), (125, 3117007), (145, 2687075), (475, 820265), (551, 707125), (725, 537415), (2375, 164053), (2755, 141425), (3625, 107483), (5657, 68875), (13775, 28285)]