84866180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{20903}}^1$

素因数の和:20948

約数の個数: 48

約数和(自身を含む): 210712320

約数和(自身を除く): 125846140

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, 20903, 41806, 83612, 104515, 146321, 209030, 292642, 418060, 585284, 606187, 731605, 1212374, 1463210, 2424748, 2926420, 3030935, 4243309, 6061870, 8486618, 12123740, 16973236, 21216545, 42433090, 84866180]

約数ペア:

[(1, 84866180), (2, 42433090), (4, 21216545), (5, 16973236), (7, 12123740), (10, 8486618), (14, 6061870), (20, 4243309), (28, 3030935), (29, 2926420), (35, 2424748), (58, 1463210), (70, 1212374), (116, 731605), (140, 606187), (145, 585284), (203, 418060), (290, 292642), (406, 209030), (580, 146321), (812, 104515), (1015, 83612), (2030, 41806), (4060, 20903)]