400388976

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11257}}^1$

素因数の和:11303

約数の個数: 120

約数和(自身を含む): 1270352720

約数和(自身を除く): 869963744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 36, 38, 39, 48, 52, 57, 72, 76, 78, 104, 114, 117, 144, 152, 156, 171, 208, 228, 234, 247, 304, 312, 342, 456, 468, 494, 624, 684, 741, 912, 936, 988, 1368, 1482, 1872, 1976, 2223, 2736, 2964, 3952, 4446, 5928, 8892, 11257, 11856, 17784, 22514, 33771, 35568, 45028, 67542, 90056, 101313, 135084, 146341, 180112, 202626, 213883, 270168, 292682, 405252, 427766, 439023, 540336, 585364, 641649, 810504, 855532, 878046, 1170728, 1283298, 1317069, 1621008, 1711064, 1756092, 1924947, 2341456, 2566596, 2634138, 2780479, 3422128, 3512184, 3849894, 5133192, 5268276, 5560958, 7024368, 7699788, 8341437, 10266384, 10536552, 11121916, 15399576, 16682874, 21073104, 22243832, 25024311, 30799152, 33365748, 44487664, 50048622, 66731496, 100097244, 133462992, 200194488, 400388976]

約数ペア:

[(1, 400388976), (2, 200194488), (3, 133462992), (4, 100097244), (6, 66731496), (8, 50048622), (9, 44487664), (12, 33365748), (13, 30799152), (16, 25024311), (18, 22243832), (19, 21073104), (24, 16682874), (26, 15399576), (36, 11121916), (38, 10536552), (39, 10266384), (48, 8341437), (52, 7699788), (57, 7024368), (72, 5560958), (76, 5268276), (78, 5133192), (104, 3849894), (114, 3512184), (117, 3422128), (144, 2780479), (152, 2634138), (156, 2566596), (171, 2341456), (208, 1924947), (228, 1756092), (234, 1711064), (247, 1621008), (304, 1317069), (312, 1283298), (342, 1170728), (456, 878046), (468, 855532), (494, 810504), (624, 641649), (684, 585364), (741, 540336), (912, 439023), (936, 427766), (988, 405252), (1368, 292682), (1482, 270168), (1872, 213883), (1976, 202626), (2223, 180112), (2736, 146341), (2964, 135084), (3952, 101313), (4446, 90056), (5928, 67542), (8892, 45028), (11257, 35568), (11856, 33771), (17784, 22514)]