79491860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{859}}^1$

素因数の和:1536

約数の個数: 48

約数和(自身を含む): 191291520

約数和(自身を除く): 111799660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 661, 859, 1322, 1718, 2644, 3305, 3436, 4295, 4627, 6013, 6610, 8590, 9254, 12026, 13220, 17180, 18508, 23135, 24052, 30065, 46270, 60130, 92540, 120260, 567799, 1135598, 2271196, 2838995, 3974593, 5677990, 7949186, 11355980, 15898372, 19872965, 39745930, 79491860]

約数ペア:

[(1, 79491860), (2, 39745930), (4, 19872965), (5, 15898372), (7, 11355980), (10, 7949186), (14, 5677990), (20, 3974593), (28, 2838995), (35, 2271196), (70, 1135598), (140, 567799), (661, 120260), (859, 92540), (1322, 60130), (1718, 46270), (2644, 30065), (3305, 24052), (3436, 23135), (4295, 18508), (4627, 17180), (6013, 13220), (6610, 12026), (8590, 9254)]