2187645740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{538829}}^1$

素因数の和:538874

約数の個数: 48

約数和(自身を含む): 5431406400

約数和(自身を除く): 3243760660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 538829, 1077658, 2155316, 2694145, 3771803, 5388290, 7543606, 10776580, 15087212, 15626041, 18859015, 31252082, 37718030, 62504164, 75436060, 78130205, 109382287, 156260410, 218764574, 312520820, 437529148, 546911435, 1093822870, 2187645740]

約数ペア:

[(1, 2187645740), (2, 1093822870), (4, 546911435), (5, 437529148), (7, 312520820), (10, 218764574), (14, 156260410), (20, 109382287), (28, 78130205), (29, 75436060), (35, 62504164), (58, 37718030), (70, 31252082), (116, 18859015), (140, 15626041), (145, 15087212), (203, 10776580), (290, 7543606), (406, 5388290), (580, 3771803), (812, 2694145), (1015, 2155316), (2030, 1077658), (4060, 538829)]