205125580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{2687}}^1$

素因数の和:3054

約数の個数: 48

約数和(自身を含む): 471453696

約数和(自身を除く): 266328116

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 347, 694, 1388, 1735, 2687, 3470, 3817, 5374, 6940, 7634, 10748, 13435, 15268, 19085, 26870, 29557, 38170, 53740, 59114, 76340, 118228, 147785, 295570, 591140, 932389, 1864778, 3729556, 4661945, 9323890, 10256279, 18647780, 20512558, 41025116, 51281395, 102562790, 205125580]

約数ペア:

[(1, 205125580), (2, 102562790), (4, 51281395), (5, 41025116), (10, 20512558), (11, 18647780), (20, 10256279), (22, 9323890), (44, 4661945), (55, 3729556), (110, 1864778), (220, 932389), (347, 591140), (694, 295570), (1388, 147785), (1735, 118228), (2687, 76340), (3470, 59114), (3817, 53740), (5374, 38170), (6940, 29557), (7634, 26870), (10748, 19085), (13435, 15268)]