202158740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1129}}^1\times {\mathrm{1279}}^1$

素因数の和:2424

約数の個数: 48

約数和(自身を含む): 485990400

約数和(自身を除く): 283831660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1129, 1279, 2258, 2558, 4516, 5116, 5645, 6395, 7903, 8953, 11290, 12790, 15806, 17906, 22580, 25580, 31612, 35812, 39515, 44765, 79030, 89530, 158060, 179060, 1443991, 2887982, 5775964, 7219955, 10107937, 14439910, 20215874, 28879820, 40431748, 50539685, 101079370, 202158740]

約数ペア:

[(1, 202158740), (2, 101079370), (4, 50539685), (5, 40431748), (7, 28879820), (10, 20215874), (14, 14439910), (20, 10107937), (28, 7219955), (35, 5775964), (70, 2887982), (140, 1443991), (1129, 179060), (1279, 158060), (2258, 89530), (2558, 79030), (4516, 44765), (5116, 39515), (5645, 35812), (6395, 31612), (7903, 25580), (8953, 22580), (11290, 17906), (12790, 15806)]