745815125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{2161}}^1$

素因数の和:2438

約数の個数: 32

約数和(自身を含む): 1019910528

約数和(自身を除く): 274095403

約数列:

[1, 5, 11, 25, 55, 125, 251, 275, 1255, 1375, 2161, 2761, 6275, 10805, 13805, 23771, 31375, 54025, 69025, 118855, 270125, 345125, 542411, 594275, 2712055, 2971375, 5966521, 13560275, 29832605, 67801375, 149163025, 745815125]

約数ペア:

[(1, 745815125), (5, 149163025), (11, 67801375), (25, 29832605), (55, 13560275), (125, 5966521), (251, 2971375), (275, 2712055), (1255, 594275), (1375, 542411), (2161, 345125), (2761, 270125), (6275, 118855), (10805, 69025), (13805, 54025), (23771, 31375)]