7391440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:284

約数の個数: 80

約数和(自身を含む): 20034432

約数和(自身を除く): 12642992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 80, 112, 134, 140, 197, 268, 280, 335, 394, 469, 536, 560, 670, 788, 938, 985, 1072, 1340, 1379, 1576, 1876, 1970, 2345, 2680, 2758, 3152, 3752, 3940, 4690, 5360, 5516, 6895, 7504, 7880, 9380, 11032, 13199, 13790, 15760, 18760, 22064, 26398, 27580, 37520, 52796, 55160, 65995, 92393, 105592, 110320, 131990, 184786, 211184, 263980, 369572, 461965, 527960, 739144, 923930, 1055920, 1478288, 1847860, 3695720, 7391440]

約数ペア:

[(1, 7391440), (2, 3695720), (4, 1847860), (5, 1478288), (7, 1055920), (8, 923930), (10, 739144), (14, 527960), (16, 461965), (20, 369572), (28, 263980), (35, 211184), (40, 184786), (56, 131990), (67, 110320), (70, 105592), (80, 92393), (112, 65995), (134, 55160), (140, 52796), (197, 37520), (268, 27580), (280, 26398), (335, 22064), (394, 18760), (469, 15760), (536, 13790), (560, 13199), (670, 11032), (788, 9380), (938, 7880), (985, 7504), (1072, 6895), (1340, 5516), (1379, 5360), (1576, 4690), (1876, 3940), (1970, 3752), (2345, 3152), (2680, 2758)]