27989920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1$

素因数の和:462

約数の個数: 96

約数和(自身を含む): 76906368

約数和(自身を除く): 48916448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 67, 70, 80, 112, 134, 140, 160, 224, 268, 280, 335, 373, 469, 536, 560, 670, 746, 938, 1072, 1120, 1340, 1492, 1865, 1876, 2144, 2345, 2611, 2680, 2984, 3730, 3752, 4690, 5222, 5360, 5968, 7460, 7504, 9380, 10444, 10720, 11936, 13055, 14920, 15008, 18760, 20888, 24991, 26110, 29840, 37520, 41776, 49982, 52220, 59680, 75040, 83552, 99964, 104440, 124955, 174937, 199928, 208880, 249910, 349874, 399856, 417760, 499820, 699748, 799712, 874685, 999640, 1399496, 1749370, 1999280, 2798992, 3498740, 3998560, 5597984, 6997480, 13994960, 27989920]

約数ペア:

[(1, 27989920), (2, 13994960), (4, 6997480), (5, 5597984), (7, 3998560), (8, 3498740), (10, 2798992), (14, 1999280), (16, 1749370), (20, 1399496), (28, 999640), (32, 874685), (35, 799712), (40, 699748), (56, 499820), (67, 417760), (70, 399856), (80, 349874), (112, 249910), (134, 208880), (140, 199928), (160, 174937), (224, 124955), (268, 104440), (280, 99964), (335, 83552), (373, 75040), (469, 59680), (536, 52220), (560, 49982), (670, 41776), (746, 37520), (938, 29840), (1072, 26110), (1120, 24991), (1340, 20888), (1492, 18760), (1865, 15008), (1876, 14920), (2144, 13055), (2345, 11936), (2611, 10720), (2680, 10444), (2984, 9380), (3730, 7504), (3752, 7460), (4690, 5968), (5222, 5360)]