389600075

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{2131}}^1$

素因数の和:2315

約数の個数: 24

約数和(自身を含む): 494896896

約数和(自身を除く): 105296821

約数列:

[1, 5, 25, 71, 103, 355, 515, 1775, 2131, 2575, 7313, 10655, 36565, 53275, 151301, 182825, 219493, 756505, 1097465, 3782525, 5487325, 15584003, 77920015, 389600075]

約数ペア:

[(1, 389600075), (5, 77920015), (25, 15584003), (71, 5487325), (103, 3782525), (355, 1097465), (515, 756505), (1775, 219493), (2131, 182825), (2575, 151301), (7313, 53275), (10655, 36565)]