79604140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{51691}}^1$

素因数の和:51718

約数の個数: 48

約数和(自身を含む): 208422144

約数和(自身を除く): 128818004

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, 51691, 103382, 206764, 258455, 361837, 516910, 568601, 723674, 1033820, 1137202, 1447348, 1809185, 2274404, 2843005, 3618370, 3980207, 5686010, 7236740, 7960414, 11372020, 15920828, 19901035, 39802070, 79604140]

約数ペア:

[(1, 79604140), (2, 39802070), (4, 19901035), (5, 15920828), (7, 11372020), (10, 7960414), (11, 7236740), (14, 5686010), (20, 3980207), (22, 3618370), (28, 2843005), (35, 2274404), (44, 1809185), (55, 1447348), (70, 1137202), (77, 1033820), (110, 723674), (140, 568601), (154, 516910), (220, 361837), (308, 258455), (385, 206764), (770, 103382), (1540, 51691)]