680332975

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{125407}}^1$

素因数の和:125455

約数の個数: 24

約数和(自身を含む): 995237888

約数和(自身を除く): 314904913

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 5425, 125407, 627035, 877849, 3135175, 3887617, 4389245, 19438085, 21946225, 27213319, 97190425, 136066595, 680332975]

約数ペア:

[(1, 680332975), (5, 136066595), (7, 97190425), (25, 27213319), (31, 21946225), (35, 19438085), (155, 4389245), (175, 3887617), (217, 3135175), (775, 877849), (1085, 627035), (5425, 125407)]