2199917740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1392353}}^1$

素因数の和:1392441

約数の個数: 24

約数和(自身を含む): 4678309440

約数和(自身を除く): 2478391700

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1392353, 2784706, 5569412, 6961765, 13923530, 27847060, 109995887, 219991774, 439983548, 549979435, 1099958870, 2199917740]

約数ペア:

[(1, 2199917740), (2, 1099958870), (4, 549979435), (5, 439983548), (10, 219991774), (20, 109995887), (79, 27847060), (158, 13923530), (316, 6961765), (395, 5569412), (790, 2784706), (1580, 1392353)]