215320900

素因数分解:

$2^2\times 5^2\times {\mathrm{2153209}}^1$

素因数の和:2153223

約数の個数: 18

約数和(自身を含む): 467246570

約数和(自身を除く): 251925670

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2153209, 4306418, 8612836, 10766045, 21532090, 43064180, 53830225, 107660450, 215320900]

約数ペア:

[(1, 215320900), (2, 107660450), (4, 53830225), (5, 43064180), (10, 21532090), (20, 10766045), (25, 8612836), (50, 4306418), (100, 2153209)]