214651520

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:326

約数の個数: 128

約数和(自身を含む): 551350800

約数和(自身を除く): 336699280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 109, 128, 136, 160, 170, 181, 218, 272, 320, 340, 362, 436, 544, 545, 640, 680, 724, 872, 905, 1088, 1090, 1360, 1448, 1744, 1810, 1853, 2176, 2180, 2720, 2896, 3077, 3488, 3620, 3706, 4360, 5440, 5792, 6154, 6976, 7240, 7412, 8720, 9265, 10880, 11584, 12308, 13952, 14480, 14824, 15385, 17440, 18530, 19729, 23168, 24616, 28960, 29648, 30770, 34880, 37060, 39458, 49232, 57920, 59296, 61540, 69760, 74120, 78916, 98464, 98645, 115840, 118592, 123080, 148240, 157832, 196928, 197290, 237184, 246160, 296480, 315664, 335393, 393856, 394580, 492320, 592960, 631328, 670786, 789160, 984640, 1185920, 1262656, 1341572, 1578320, 1676965, 1969280, 2525312, 2683144, 3156640, 3353930, 5366288, 6313280, 6707860, 10732576, 12626560, 13415720, 21465152, 26831440, 42930304, 53662880, 107325760, 214651520]

約数ペア:

[(1, 214651520), (2, 107325760), (4, 53662880), (5, 42930304), (8, 26831440), (10, 21465152), (16, 13415720), (17, 12626560), (20, 10732576), (32, 6707860), (34, 6313280), (40, 5366288), (64, 3353930), (68, 3156640), (80, 2683144), (85, 2525312), (109, 1969280), (128, 1676965), (136, 1578320), (160, 1341572), (170, 1262656), (181, 1185920), (218, 984640), (272, 789160), (320, 670786), (340, 631328), (362, 592960), (436, 492320), (544, 394580), (545, 393856), (640, 335393), (680, 315664), (724, 296480), (872, 246160), (905, 237184), (1088, 197290), (1090, 196928), (1360, 157832), (1448, 148240), (1744, 123080), (1810, 118592), (1853, 115840), (2176, 98645), (2180, 98464), (2720, 78916), (2896, 74120), (3077, 69760), (3488, 61540), (3620, 59296), (3706, 57920), (4360, 49232), (5440, 39458), (5792, 37060), (6154, 34880), (6976, 30770), (7240, 29648), (7412, 28960), (8720, 24616), (9265, 23168), (10880, 19729), (11584, 18530), (12308, 17440), (13952, 15385), (14480, 14824)]