70479920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{991}}^1$

素因数の和:1138

約数の個数: 80

約数和(自身を含む): 188940288

約数和(自身を除く): 118460368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 991, 1016, 1270, 1778, 1982, 2032, 2540, 3556, 3964, 4445, 4955, 5080, 6937, 7112, 7928, 8890, 9910, 10160, 13874, 14224, 15856, 17780, 19820, 27748, 34685, 35560, 39640, 55496, 69370, 71120, 79280, 110992, 125857, 138740, 251714, 277480, 503428, 554960, 629285, 880999, 1006856, 1258570, 1761998, 2013712, 2517140, 3523996, 4404995, 5034280, 7047992, 8809990, 10068560, 14095984, 17619980, 35239960, 70479920]

約数ペア:

[(1, 70479920), (2, 35239960), (4, 17619980), (5, 14095984), (7, 10068560), (8, 8809990), (10, 7047992), (14, 5034280), (16, 4404995), (20, 3523996), (28, 2517140), (35, 2013712), (40, 1761998), (56, 1258570), (70, 1006856), (80, 880999), (112, 629285), (127, 554960), (140, 503428), (254, 277480), (280, 251714), (508, 138740), (560, 125857), (635, 110992), (889, 79280), (991, 71120), (1016, 69370), (1270, 55496), (1778, 39640), (1982, 35560), (2032, 34685), (2540, 27748), (3556, 19820), (3964, 17780), (4445, 15856), (4955, 14224), (5080, 13874), (6937, 10160), (7112, 9910), (7928, 8890)]