489276475

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{409}}^1\times {\mathrm{439}}^1$

素因数の和:967

約数の個数: 24

約数和(自身を含む): 615164000

約数和(自身を除く): 125887525

約数列:

[1, 5, 25, 109, 409, 439, 545, 2045, 2195, 2725, 10225, 10975, 44581, 47851, 179551, 222905, 239255, 897755, 1114525, 1196275, 4488775, 19571059, 97855295, 489276475]

約数ペア:

[(1, 489276475), (5, 97855295), (25, 19571059), (109, 4488775), (409, 1196275), (439, 1114525), (545, 897755), (2045, 239255), (2195, 222905), (2725, 179551), (10225, 47851), (10975, 44581)]