85327220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1949}}^1$

素因数の和:2168

約数の個数: 48

約数和(自身を含む): 196560000

約数和(自身を除く): 111232780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1949, 1990, 2189, 3898, 3980, 4378, 7796, 8756, 9745, 10945, 19490, 21439, 21890, 38980, 42878, 43780, 85756, 107195, 214390, 387851, 428780, 775702, 1551404, 1939255, 3878510, 4266361, 7757020, 8532722, 17065444, 21331805, 42663610, 85327220]

約数ペア:

[(1, 85327220), (2, 42663610), (4, 21331805), (5, 17065444), (10, 8532722), (11, 7757020), (20, 4266361), (22, 3878510), (44, 1939255), (55, 1551404), (110, 775702), (199, 428780), (220, 387851), (398, 214390), (796, 107195), (995, 85756), (1949, 43780), (1990, 42878), (2189, 38980), (3898, 21890), (3980, 21439), (4378, 19490), (7796, 10945), (8756, 9745)]