858741920

素因数分解:

$2^5\times 5^1\times {\mathrm{193}}^1\times {\mathrm{27809}}^1$

素因数の和:28017

約数の個数: 48

約数和(自身を含む): 2039362920

約数和(自身を除く): 1180621000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 6176, 7720, 15440, 27809, 30880, 55618, 111236, 139045, 222472, 278090, 444944, 556180, 889888, 1112360, 2224720, 4449440, 5367137, 10734274, 21468548, 26835685, 42937096, 53671370, 85874192, 107342740, 171748384, 214685480, 429370960, 858741920]

約数ペア:

[(1, 858741920), (2, 429370960), (4, 214685480), (5, 171748384), (8, 107342740), (10, 85874192), (16, 53671370), (20, 42937096), (32, 26835685), (40, 21468548), (80, 10734274), (160, 5367137), (193, 4449440), (386, 2224720), (772, 1112360), (965, 889888), (1544, 556180), (1930, 444944), (3088, 278090), (3860, 222472), (6176, 139045), (7720, 111236), (15440, 55618), (27809, 30880)]