28516180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18517}}^1$

素因数の和:18544

約数の個数: 48

約数和(自身を含む): 74664576

約数和(自身を除く): 46148396

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 18517, 37034, 74068, 92585, 129619, 185170, 203687, 259238, 370340, 407374, 518476, 648095, 814748, 1018435, 1296190, 1425809, 2036870, 2592380, 2851618, 4073740, 5703236, 7129045, 14258090, 28516180]

約数ペア:

[(1, 28516180), (2, 14258090), (4, 7129045), (5, 5703236), (7, 4073740), (10, 2851618), (11, 2592380), (14, 2036870), (20, 1425809), (22, 1296190), (28, 1018435), (35, 814748), (44, 648095), (55, 518476), (70, 407374), (77, 370340), (110, 259238), (140, 203687), (154, 185170), (220, 129619), (308, 92585), (385, 74068), (770, 37034), (1540, 18517)]