944145220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{664891}}^1$

素因数の和:664971

約数の個数: 24

約数和(自身を含む): 2010633408

約数和(自身を除く): 1066488188

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 664891, 1329782, 2659564, 3324455, 6648910, 13297820, 47207261, 94414522, 188829044, 236036305, 472072610, 944145220]

約数ペア:

[(1, 944145220), (2, 472072610), (4, 236036305), (5, 188829044), (10, 94414522), (20, 47207261), (71, 13297820), (142, 6648910), (284, 3324455), (355, 2659564), (710, 1329782), (1420, 664891)]