220999428

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:839

約数の個数: 120

約数和(自身を含む): 631794240

約数和(自身を除く): 410794812

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 71, 78, 81, 108, 117, 142, 156, 162, 213, 234, 284, 324, 351, 426, 468, 639, 702, 739, 852, 923, 1053, 1278, 1404, 1478, 1846, 1917, 2106, 2217, 2556, 2769, 2956, 3692, 3834, 4212, 4434, 5538, 5751, 6651, 7668, 8307, 8868, 9607, 11076, 11502, 13302, 16614, 19214, 19953, 23004, 24921, 26604, 28821, 33228, 38428, 39906, 49842, 52469, 57642, 59859, 74763, 79812, 86463, 99684, 104938, 115284, 119718, 149526, 157407, 172926, 209876, 239436, 259389, 299052, 314814, 345852, 472221, 518778, 629628, 682097, 778167, 944442, 1037556, 1364194, 1416663, 1556334, 1888884, 2046291, 2728388, 2833326, 3112668, 4092582, 4249989, 5666652, 6138873, 8185164, 8499978, 12277746, 16999956, 18416619, 24555492, 36833238, 55249857, 73666476, 110499714, 220999428]

約数ペア:

[(1, 220999428), (2, 110499714), (3, 73666476), (4, 55249857), (6, 36833238), (9, 24555492), (12, 18416619), (13, 16999956), (18, 12277746), (26, 8499978), (27, 8185164), (36, 6138873), (39, 5666652), (52, 4249989), (54, 4092582), (71, 3112668), (78, 2833326), (81, 2728388), (108, 2046291), (117, 1888884), (142, 1556334), (156, 1416663), (162, 1364194), (213, 1037556), (234, 944442), (284, 778167), (324, 682097), (351, 629628), (426, 518778), (468, 472221), (639, 345852), (702, 314814), (739, 299052), (852, 259389), (923, 239436), (1053, 209876), (1278, 172926), (1404, 157407), (1478, 149526), (1846, 119718), (1917, 115284), (2106, 104938), (2217, 99684), (2556, 86463), (2769, 79812), (2956, 74763), (3692, 59859), (3834, 57642), (4212, 52469), (4434, 49842), (5538, 39906), (5751, 38428), (6651, 33228), (7668, 28821), (8307, 26604), (8868, 24921), (9607, 23004), (11076, 19953), (11502, 19214), (13302, 16614)]