280727216

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1193}}^1$

素因数の和:1410

約数の個数: 80

約数和(自身を含む): 682242048

約数和(自身を除く): 401514832

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 191, 308, 382, 616, 764, 1193, 1232, 1337, 1528, 2101, 2386, 2674, 3056, 4202, 4772, 5348, 8351, 8404, 9544, 10696, 13123, 14707, 16702, 16808, 19088, 21392, 26246, 29414, 33404, 33616, 52492, 58828, 66808, 91861, 104984, 117656, 133616, 183722, 209968, 227863, 235312, 367444, 455726, 734888, 911452, 1469776, 1595041, 1822904, 2506493, 3190082, 3645808, 5012986, 6380164, 10025972, 12760328, 17545451, 20051944, 25520656, 35090902, 40103888, 70181804, 140363608, 280727216]

約数ペア:

[(1, 280727216), (2, 140363608), (4, 70181804), (7, 40103888), (8, 35090902), (11, 25520656), (14, 20051944), (16, 17545451), (22, 12760328), (28, 10025972), (44, 6380164), (56, 5012986), (77, 3645808), (88, 3190082), (112, 2506493), (154, 1822904), (176, 1595041), (191, 1469776), (308, 911452), (382, 734888), (616, 455726), (764, 367444), (1193, 235312), (1232, 227863), (1337, 209968), (1528, 183722), (2101, 133616), (2386, 117656), (2674, 104984), (3056, 91861), (4202, 66808), (4772, 58828), (5348, 52492), (8351, 33616), (8404, 33404), (9544, 29414), (10696, 26246), (13123, 21392), (14707, 19088), (16702, 16808)]