721984116

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{821}}^1$

素因数の和:902

約数の個数: 144

約数和(自身を含む): 2104583040

約数和(自身を除く): 1382598924

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 29, 38, 42, 57, 58, 76, 84, 87, 114, 116, 133, 174, 203, 228, 266, 348, 361, 399, 406, 532, 551, 609, 722, 798, 812, 821, 1083, 1102, 1218, 1444, 1596, 1642, 1653, 2166, 2204, 2436, 2463, 2527, 3284, 3306, 3857, 4332, 4926, 5054, 5747, 6612, 7581, 7714, 9852, 10108, 10469, 11494, 11571, 15162, 15428, 15599, 17241, 20938, 22988, 23142, 23809, 30324, 31198, 31407, 34482, 41876, 46284, 46797, 47618, 62396, 62814, 68964, 71427, 73283, 93594, 95236, 109193, 125628, 142854, 146566, 166663, 187188, 218386, 219849, 285708, 293132, 296381, 327579, 333326, 436772, 439698, 452371, 499989, 592762, 655158, 666652, 879396, 889143, 904742, 999978, 1185524, 1310316, 1357113, 1778286, 1809484, 1999956, 2074667, 2714226, 3166597, 3556572, 4149334, 5428452, 6224001, 6333194, 8298668, 8595049, 9499791, 12448002, 12666388, 17190098, 18999582, 24896004, 25785147, 34380196, 37999164, 51570294, 60165343, 103140588, 120330686, 180496029, 240661372, 360992058, 721984116]

約数ペア:

[(1, 721984116), (2, 360992058), (3, 240661372), (4, 180496029), (6, 120330686), (7, 103140588), (12, 60165343), (14, 51570294), (19, 37999164), (21, 34380196), (28, 25785147), (29, 24896004), (38, 18999582), (42, 17190098), (57, 12666388), (58, 12448002), (76, 9499791), (84, 8595049), (87, 8298668), (114, 6333194), (116, 6224001), (133, 5428452), (174, 4149334), (203, 3556572), (228, 3166597), (266, 2714226), (348, 2074667), (361, 1999956), (399, 1809484), (406, 1778286), (532, 1357113), (551, 1310316), (609, 1185524), (722, 999978), (798, 904742), (812, 889143), (821, 879396), (1083, 666652), (1102, 655158), (1218, 592762), (1444, 499989), (1596, 452371), (1642, 439698), (1653, 436772), (2166, 333326), (2204, 327579), (2436, 296381), (2463, 293132), (2527, 285708), (3284, 219849), (3306, 218386), (3857, 187188), (4332, 166663), (4926, 146566), (5054, 142854), (5747, 125628), (6612, 109193), (7581, 95236), (7714, 93594), (9852, 73283), (10108, 71427), (10469, 68964), (11494, 62814), (11571, 62396), (15162, 47618), (15428, 46797), (15599, 46284), (17241, 41876), (20938, 34482), (22988, 31407), (23142, 31198), (23809, 30324)]