186745180

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1\times {\mathrm{337}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 398623680

約数和(自身を除く): 211878500

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 269, 337, 412, 515, 538, 674, 1030, 1076, 1345, 1348, 1685, 2060, 2690, 3370, 5380, 6740, 27707, 34711, 55414, 69422, 90653, 110828, 138535, 138844, 173555, 181306, 277070, 347110, 362612, 453265, 554140, 694220, 906530, 1813060, 9337259, 18674518, 37349036, 46686295, 93372590, 186745180]

約数ペア:

[(1, 186745180), (2, 93372590), (4, 46686295), (5, 37349036), (10, 18674518), (20, 9337259), (103, 1813060), (206, 906530), (269, 694220), (337, 554140), (412, 453265), (515, 362612), (538, 347110), (674, 277070), (1030, 181306), (1076, 173555), (1345, 138844), (1348, 138535), (1685, 110828), (2060, 90653), (2690, 69422), (3370, 55414), (5380, 34711), (6740, 27707)]