490236475

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{2789}}^1$

素因数の和:2967

約数の個数: 24

約数和(自身を含む): 622728000

約数和(自身を除く): 132491525

約数列:

[1, 5, 25, 79, 89, 395, 445, 1975, 2225, 2789, 7031, 13945, 35155, 69725, 175775, 220331, 248221, 1101655, 1241105, 5508275, 6205525, 19609459, 98047295, 490236475]

約数ペア:

[(1, 490236475), (5, 98047295), (25, 19609459), (79, 6205525), (89, 5508275), (395, 1241105), (445, 1101655), (1975, 248221), (2225, 220331), (2789, 175775), (7031, 69725), (13945, 35155)]