77957180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{8311}}^1$

素因数の和:8394

約数の個数: 48

約数和(自身を含む): 189912576

約数和(自身を除く): 111955396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 8311, 9380, 16622, 33244, 41555, 58177, 83110, 116354, 166220, 232708, 290885, 556837, 581770, 1113674, 1163540, 2227348, 2784185, 3897859, 5568370, 7795718, 11136740, 15591436, 19489295, 38978590, 77957180]

約数ペア:

[(1, 77957180), (2, 38978590), (4, 19489295), (5, 15591436), (7, 11136740), (10, 7795718), (14, 5568370), (20, 3897859), (28, 2784185), (35, 2227348), (67, 1163540), (70, 1113674), (134, 581770), (140, 556837), (268, 290885), (335, 232708), (469, 166220), (670, 116354), (938, 83110), (1340, 58177), (1876, 41555), (2345, 33244), (4690, 16622), (8311, 9380)]