489468025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{569}}^1\times {\mathrm{1811}}^1$

素因数の和:2409

約数の個数: 24

約数和(自身を含む): 640360800

約数和(自身を除く): 150892775

約数列:

[1, 5, 19, 25, 95, 475, 569, 1811, 2845, 9055, 10811, 14225, 34409, 45275, 54055, 172045, 270275, 860225, 1030459, 5152295, 19578721, 25761475, 97893605, 489468025]

約数ペア:

[(1, 489468025), (5, 97893605), (19, 25761475), (25, 19578721), (95, 5152295), (475, 1030459), (569, 860225), (1811, 270275), (2845, 172045), (9055, 54055), (10811, 45275), (14225, 34409)]