217492060

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{99767}}^1$

素因数の和:99885

約数の個数: 24

約数和(自身を含む): 460928160

約数和(自身を除く): 243436100

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 99767, 199534, 399068, 498835, 997670, 1995340, 10874603, 21749206, 43498412, 54373015, 108746030, 217492060]

約数ペア:

[(1, 217492060), (2, 108746030), (4, 54373015), (5, 43498412), (10, 21749206), (20, 10874603), (109, 1995340), (218, 997670), (436, 498835), (545, 399068), (1090, 199534), (2180, 99767)]