189202220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{133241}}^1$

素因数の和:133321

約数の個数: 24

約数和(自身を含む): 402923808

約数和(自身を除く): 213721588

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 133241, 266482, 532964, 666205, 1332410, 2664820, 9460111, 18920222, 37840444, 47300555, 94601110, 189202220]

約数ペア:

[(1, 189202220), (2, 94601110), (4, 47300555), (5, 37840444), (10, 18920222), (20, 9460111), (71, 2664820), (142, 1332410), (284, 666205), (355, 532964), (710, 266482), (1420, 133241)]