72022900

素因数分解:

$2^2\times 5^2\times {\mathrm{720229}}^1$

素因数の和:720243

約数の個数: 18

約数和(自身を含む): 156289910

約数和(自身を除く): 84267010

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 720229, 1440458, 2880916, 3601145, 7202290, 14404580, 18005725, 36011450, 72022900]

約数ペア:

[(1, 72022900), (2, 36011450), (4, 18005725), (5, 14404580), (10, 7202290), (20, 3601145), (25, 2880916), (50, 1440458), (100, 720229)]