218156660

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{24847}}^1$

素因数の和:25295

約数の個数: 24

約数和(自身を含む): 459191040

約数和(自身を除く): 241034380

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 24847, 49694, 99388, 124235, 248470, 496940, 10907833, 21815666, 43631332, 54539165, 109078330, 218156660]

約数ペア:

[(1, 218156660), (2, 109078330), (4, 54539165), (5, 43631332), (10, 21815666), (20, 10907833), (439, 496940), (878, 248470), (1756, 124235), (2195, 99388), (4390, 49694), (8780, 24847)]