712281025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{811}}^1$

素因数の和:926

約数の個数: 36

約数和(自身を含む): 953011920

約数和(自身を除く): 240730895

約数列:

[1, 5, 19, 25, 43, 95, 215, 475, 811, 817, 1075, 1849, 4055, 4085, 9245, 15409, 20275, 20425, 34873, 35131, 46225, 77045, 174365, 175655, 385225, 662587, 871825, 878275, 1499539, 3312935, 7497695, 16564675, 28491241, 37488475, 142456205, 712281025]

約数ペア:

[(1, 712281025), (5, 142456205), (19, 37488475), (25, 28491241), (43, 16564675), (95, 7497695), (215, 3312935), (475, 1499539), (811, 878275), (817, 871825), (1075, 662587), (1849, 385225), (4055, 175655), (4085, 174365), (9245, 77045), (15409, 46225), (20275, 35131), (20425, 34873)]