408299920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{5741}}^1$

素因数の和:5888

約数の個数: 80

約数和(自身を含む): 1093644288

約数和(自身を除く): 685344368

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, 1016, 1270, 1778, 2032, 2540, 3556, 4445, 5080, 5741, 7112, 8890, 10160, 11482, 14224, 17780, 22964, 28705, 35560, 40187, 45928, 57410, 71120, 80374, 91856, 114820, 160748, 200935, 229640, 321496, 401870, 459280, 642992, 729107, 803740, 1458214, 1607480, 2916428, 3214960, 3645535, 5103749, 5832856, 7291070, 10207498, 11665712, 14582140, 20414996, 25518745, 29164280, 40829992, 51037490, 58328560, 81659984, 102074980, 204149960, 408299920]

約数ペア:

[(1, 408299920), (2, 204149960), (4, 102074980), (5, 81659984), (7, 58328560), (8, 51037490), (10, 40829992), (14, 29164280), (16, 25518745), (20, 20414996), (28, 14582140), (35, 11665712), (40, 10207498), (56, 7291070), (70, 5832856), (80, 5103749), (112, 3645535), (127, 3214960), (140, 2916428), (254, 1607480), (280, 1458214), (508, 803740), (560, 729107), (635, 642992), (889, 459280), (1016, 401870), (1270, 321496), (1778, 229640), (2032, 200935), (2540, 160748), (3556, 114820), (4445, 91856), (5080, 80374), (5741, 71120), (7112, 57410), (8890, 45928), (10160, 40187), (11482, 35560), (14224, 28705), (17780, 22964)]