54739720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1427}}^1$

素因数の和:1582

約数の個数: 64

約数和(自身を含む): 141886080

約数和(自身を除く): 87146360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 274, 280, 548, 685, 959, 1096, 1370, 1427, 1918, 2740, 2854, 3836, 4795, 5480, 5708, 7135, 7672, 9590, 9989, 11416, 14270, 19180, 19978, 28540, 38360, 39956, 49945, 57080, 79912, 99890, 195499, 199780, 390998, 399560, 781996, 977495, 1368493, 1563992, 1954990, 2736986, 3909980, 5473972, 6842465, 7819960, 10947944, 13684930, 27369860, 54739720]

約数ペア:

[(1, 54739720), (2, 27369860), (4, 13684930), (5, 10947944), (7, 7819960), (8, 6842465), (10, 5473972), (14, 3909980), (20, 2736986), (28, 1954990), (35, 1563992), (40, 1368493), (56, 977495), (70, 781996), (137, 399560), (140, 390998), (274, 199780), (280, 195499), (548, 99890), (685, 79912), (959, 57080), (1096, 49945), (1370, 39956), (1427, 38360), (1918, 28540), (2740, 19978), (2854, 19180), (3836, 14270), (4795, 11416), (5480, 9989), (5708, 9590), (7135, 7672)]