83753740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:480

約数の個数: 96

約数和(自身を含む): 212688000

約数和(自身を除く): 128934260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 343, 406, 421, 490, 580, 686, 812, 842, 980, 1015, 1372, 1421, 1684, 1715, 2030, 2105, 2842, 2947, 3430, 4060, 4210, 5684, 5894, 6860, 7105, 8420, 9947, 11788, 12209, 14210, 14735, 19894, 20629, 24418, 28420, 29470, 39788, 41258, 48836, 49735, 58940, 61045, 82516, 85463, 99470, 103145, 122090, 144403, 170926, 198940, 206290, 244180, 288806, 341852, 412580, 427315, 577612, 598241, 722015, 854630, 1196482, 1444030, 1709260, 2392964, 2888060, 2991205, 4187687, 5982410, 8375374, 11964820, 16750748, 20938435, 41876870, 83753740]

約数ペア:

[(1, 83753740), (2, 41876870), (4, 20938435), (5, 16750748), (7, 11964820), (10, 8375374), (14, 5982410), (20, 4187687), (28, 2991205), (29, 2888060), (35, 2392964), (49, 1709260), (58, 1444030), (70, 1196482), (98, 854630), (116, 722015), (140, 598241), (145, 577612), (196, 427315), (203, 412580), (245, 341852), (290, 288806), (343, 244180), (406, 206290), (421, 198940), (490, 170926), (580, 144403), (686, 122090), (812, 103145), (842, 99470), (980, 85463), (1015, 82516), (1372, 61045), (1421, 58940), (1684, 49735), (1715, 48836), (2030, 41258), (2105, 39788), (2842, 29470), (2947, 28420), (3430, 24418), (4060, 20629), (4210, 19894), (5684, 14735), (5894, 14210), (6860, 12209), (7105, 11788), (8420, 9947)]