28291100

素因数分解:

$2^2\times 5^2\times {\mathrm{282911}}^1$

素因数の和:282925

約数の個数: 18

約数和(自身を含む): 61391904

約数和(自身を除く): 33100804

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 282911, 565822, 1131644, 1414555, 2829110, 5658220, 7072775, 14145550, 28291100]

約数ペア:

[(1, 28291100), (2, 14145550), (4, 7072775), (5, 5658220), (10, 2829110), (20, 1414555), (25, 1131644), (50, 565822), (100, 282911)]