280164025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{2099}}^1$

素因数の和:2409

約数の個数: 24

約数和(自身を含む): 367164000

約数和(自身を除く): 86999975

約数列:

[1, 5, 19, 25, 95, 281, 475, 1405, 2099, 5339, 7025, 10495, 26695, 39881, 52475, 133475, 199405, 589819, 997025, 2949095, 11206561, 14745475, 56032805, 280164025]

約数ペア:

[(1, 280164025), (5, 56032805), (19, 14745475), (25, 11206561), (95, 2949095), (281, 997025), (475, 589819), (1405, 199405), (2099, 133475), (5339, 52475), (7025, 39881), (10495, 26695)]