31878220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{3083}}^1$

素因数の和:3150

約数の個数: 48

約数和(自身を含む): 74608128

約数和(自身を除く): 42729908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 3083, 5170, 6166, 10340, 12332, 15415, 30830, 33913, 61660, 67826, 135652, 144901, 169565, 289802, 339130, 579604, 678260, 724505, 1449010, 1593911, 2898020, 3187822, 6375644, 7969555, 15939110, 31878220]

約数ペア:

[(1, 31878220), (2, 15939110), (4, 7969555), (5, 6375644), (10, 3187822), (11, 2898020), (20, 1593911), (22, 1449010), (44, 724505), (47, 678260), (55, 579604), (94, 339130), (110, 289802), (188, 169565), (220, 144901), (235, 135652), (470, 67826), (517, 61660), (940, 33913), (1034, 30830), (2068, 15415), (2585, 12332), (3083, 10340), (5170, 6166)]