220287400

素因数分解:

$2^3\times 5^2\times {\mathrm{409}}^1\times {\mathrm{2693}}^1$

素因数の和:3118

約数の個数: 48

約数和(自身を含む): 513611100

約数和(自身を除く): 293323700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 409, 818, 1636, 2045, 2693, 3272, 4090, 5386, 8180, 10225, 10772, 13465, 16360, 20450, 21544, 26930, 40900, 53860, 67325, 81800, 107720, 134650, 269300, 538600, 1101437, 2202874, 4405748, 5507185, 8811496, 11014370, 22028740, 27535925, 44057480, 55071850, 110143700, 220287400]

約数ペア:

[(1, 220287400), (2, 110143700), (4, 55071850), (5, 44057480), (8, 27535925), (10, 22028740), (20, 11014370), (25, 8811496), (40, 5507185), (50, 4405748), (100, 2202874), (200, 1101437), (409, 538600), (818, 269300), (1636, 134650), (2045, 107720), (2693, 81800), (3272, 67325), (4090, 53860), (5386, 40900), (8180, 26930), (10225, 21544), (10772, 20450), (13465, 16360)]