68018900

素因数分解:

$2^2\times 5^2\times {\mathrm{680189}}^1$

素因数の和:680203

約数の個数: 18

約数和(自身を含む): 147601230

約数和(自身を除く): 79582330

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 680189, 1360378, 2720756, 3400945, 6801890, 13603780, 17004725, 34009450, 68018900]

約数ペア:

[(1, 68018900), (2, 34009450), (4, 17004725), (5, 13603780), (10, 6801890), (20, 3400945), (25, 2720756), (50, 1360378), (100, 680189)]