68509900

素因数分解:

$2^2\times 5^2\times {\mathrm{685099}}^1$

素因数の和:685113

約数の個数: 18

約数和(自身を含む): 148666700

約数和(自身を除く): 80156800

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 685099, 1370198, 2740396, 3425495, 6850990, 13701980, 17127475, 34254950, 68509900]

約数ペア:

[(1, 68509900), (2, 34254950), (4, 17127475), (5, 13701980), (10, 6850990), (20, 3425495), (25, 2740396), (50, 1370198), (100, 685099)]