400544480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:341

約数の個数: 192

約数和(自身を含む): 1161578880

約数和(自身を除く): 761034400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 109, 112, 119, 136, 140, 160, 170, 193, 218, 224, 238, 272, 280, 340, 386, 436, 476, 544, 545, 560, 595, 680, 763, 772, 872, 952, 965, 1090, 1120, 1190, 1351, 1360, 1526, 1544, 1744, 1853, 1904, 1930, 2180, 2380, 2702, 2720, 3052, 3088, 3281, 3488, 3706, 3808, 3815, 3860, 4360, 4760, 5404, 6104, 6176, 6562, 6755, 7412, 7630, 7720, 8720, 9265, 9520, 10808, 12208, 12971, 13124, 13510, 14824, 15260, 15440, 16405, 17440, 18530, 19040, 21037, 21616, 22967, 24416, 25942, 26248, 27020, 29648, 30520, 30880, 32810, 37060, 42074, 43232, 45934, 51884, 52496, 54040, 59296, 61040, 64855, 65620, 74120, 84148, 91868, 103768, 104992, 105185, 108080, 114835, 122080, 129710, 131240, 147259, 148240, 168296, 183736, 207536, 210370, 216160, 229670, 259420, 262480, 294518, 296480, 336592, 357629, 367472, 415072, 420740, 459340, 518840, 524960, 589036, 673184, 715258, 734944, 736295, 841480, 918680, 1037680, 1178072, 1430516, 1472590, 1682960, 1788145, 1837360, 2075360, 2356144, 2503403, 2861032, 2945180, 3365920, 3576290, 3674720, 4712288, 5006806, 5722064, 5890360, 7152580, 10013612, 11444128, 11780720, 12517015, 14305160, 20027224, 23561440, 25034030, 28610320, 40054448, 50068060, 57220640, 80108896, 100136120, 200272240, 400544480]

約数ペア:

[(1, 400544480), (2, 200272240), (4, 100136120), (5, 80108896), (7, 57220640), (8, 50068060), (10, 40054448), (14, 28610320), (16, 25034030), (17, 23561440), (20, 20027224), (28, 14305160), (32, 12517015), (34, 11780720), (35, 11444128), (40, 10013612), (56, 7152580), (68, 5890360), (70, 5722064), (80, 5006806), (85, 4712288), (109, 3674720), (112, 3576290), (119, 3365920), (136, 2945180), (140, 2861032), (160, 2503403), (170, 2356144), (193, 2075360), (218, 1837360), (224, 1788145), (238, 1682960), (272, 1472590), (280, 1430516), (340, 1178072), (386, 1037680), (436, 918680), (476, 841480), (544, 736295), (545, 734944), (560, 715258), (595, 673184), (680, 589036), (763, 524960), (772, 518840), (872, 459340), (952, 420740), (965, 415072), (1090, 367472), (1120, 357629), (1190, 336592), (1351, 296480), (1360, 294518), (1526, 262480), (1544, 259420), (1744, 229670), (1853, 216160), (1904, 210370), (1930, 207536), (2180, 183736), (2380, 168296), (2702, 148240), (2720, 147259), (3052, 131240), (3088, 129710), (3281, 122080), (3488, 114835), (3706, 108080), (3808, 105185), (3815, 104992), (3860, 103768), (4360, 91868), (4760, 84148), (5404, 74120), (6104, 65620), (6176, 64855), (6562, 61040), (6755, 59296), (7412, 54040), (7630, 52496), (7720, 51884), (8720, 45934), (9265, 43232), (9520, 42074), (10808, 37060), (12208, 32810), (12971, 30880), (13124, 30520), (13510, 29648), (14824, 27020), (15260, 26248), (15440, 25942), (16405, 24416), (17440, 22967), (18530, 21616), (19040, 21037)]