258330625

素因数分解:

$5^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:595

約数の個数: 40

約数和(自身を含む): 372480768

約数和(自身を除く): 114150143

約数列:

[1, 5, 7, 25, 35, 125, 137, 175, 431, 625, 685, 875, 959, 2155, 3017, 3425, 4375, 4795, 10775, 15085, 17125, 23975, 53875, 59047, 75425, 85625, 119875, 269375, 295235, 377125, 413329, 599375, 1476175, 1885625, 2066645, 7380875, 10333225, 36904375, 51666125, 258330625]

約数ペア:

[(1, 258330625), (5, 51666125), (7, 36904375), (25, 10333225), (35, 7380875), (125, 2066645), (137, 1885625), (175, 1476175), (431, 599375), (625, 413329), (685, 377125), (875, 295235), (959, 269375), (2155, 119875), (3017, 85625), (3425, 75425), (4375, 59047), (4795, 53875), (10775, 23975), (15085, 17125)]