2054816680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2521}}^1$

素因数の和:2651

約数の個数: 128

約数和(自身を含む): 5491100160

約数和(自身を除く): 3436283480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 71, 82, 140, 142, 164, 205, 280, 284, 287, 328, 355, 410, 497, 568, 574, 710, 820, 994, 1148, 1420, 1435, 1640, 1988, 2296, 2485, 2521, 2840, 2870, 2911, 3976, 4970, 5042, 5740, 5822, 9940, 10084, 11480, 11644, 12605, 14555, 17647, 19880, 20168, 20377, 23288, 25210, 29110, 35294, 40754, 50420, 58220, 70588, 81508, 88235, 100840, 101885, 103361, 116440, 141176, 163016, 176470, 178991, 203770, 206722, 352940, 357982, 407540, 413444, 516805, 705880, 715964, 723527, 815080, 826888, 894955, 1033610, 1252937, 1431928, 1447054, 1789910, 2067220, 2505874, 2894108, 3579820, 3617635, 4134440, 5011748, 5788216, 6264685, 7159640, 7235270, 7338631, 10023496, 12529370, 14470540, 14677262, 25058740, 28941080, 29354524, 36693155, 50117480, 51370417, 58709048, 73386310, 102740834, 146772620, 205481668, 256852085, 293545240, 410963336, 513704170, 1027408340, 2054816680]

約数ペア:

[(1, 2054816680), (2, 1027408340), (4, 513704170), (5, 410963336), (7, 293545240), (8, 256852085), (10, 205481668), (14, 146772620), (20, 102740834), (28, 73386310), (35, 58709048), (40, 51370417), (41, 50117480), (56, 36693155), (70, 29354524), (71, 28941080), (82, 25058740), (140, 14677262), (142, 14470540), (164, 12529370), (205, 10023496), (280, 7338631), (284, 7235270), (287, 7159640), (328, 6264685), (355, 5788216), (410, 5011748), (497, 4134440), (568, 3617635), (574, 3579820), (710, 2894108), (820, 2505874), (994, 2067220), (1148, 1789910), (1420, 1447054), (1435, 1431928), (1640, 1252937), (1988, 1033610), (2296, 894955), (2485, 826888), (2521, 815080), (2840, 723527), (2870, 715964), (2911, 705880), (3976, 516805), (4970, 413444), (5042, 407540), (5740, 357982), (5822, 352940), (9940, 206722), (10084, 203770), (11480, 178991), (11644, 176470), (12605, 163016), (14555, 141176), (17647, 116440), (19880, 103361), (20168, 101885), (20377, 100840), (23288, 88235), (25210, 81508), (29110, 70588), (35294, 58220), (40754, 50420)]