319000025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{8501}}^1$

素因数の和:8609

約数の個数: 24

約数和(自身を含む): 421699200

約数和(自身を除く): 102699175

約数列:

[1, 5, 19, 25, 79, 95, 395, 475, 1501, 1975, 7505, 8501, 37525, 42505, 161519, 212525, 671579, 807595, 3357895, 4037975, 12760001, 16789475, 63800005, 319000025]

約数ペア:

[(1, 319000025), (5, 63800005), (19, 16789475), (25, 12760001), (79, 4037975), (95, 3357895), (395, 807595), (475, 671579), (1501, 212525), (1975, 161519), (7505, 42505), (8501, 37525)]