72889100

素因数分解:

$2^2\times 5^2\times {\mathrm{728891}}^1$

素因数の和:728905

約数の個数: 18

約数和(自身を含む): 158169564

約数和(自身を除く): 85280464

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 728891, 1457782, 2915564, 3644455, 7288910, 14577820, 18222275, 36444550, 72889100]

約数ペア:

[(1, 72889100), (2, 36444550), (4, 18222275), (5, 14577820), (10, 7288910), (20, 3644455), (25, 2915564), (50, 1457782), (100, 728891)]