395660320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:335

約数の個数: 144

約数和(自身を含む): 1042481664

約数和(自身を除く): 646821344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 107, 110, 121, 160, 176, 191, 214, 220, 242, 352, 382, 428, 440, 484, 535, 605, 764, 856, 880, 955, 968, 1070, 1177, 1210, 1528, 1712, 1760, 1910, 1936, 2101, 2140, 2354, 2420, 3056, 3424, 3820, 3872, 4202, 4280, 4708, 4840, 5885, 6112, 7640, 8404, 8560, 9416, 9680, 10505, 11770, 12947, 15280, 16808, 17120, 18832, 19360, 20437, 21010, 23111, 23540, 25894, 30560, 33616, 37664, 40874, 42020, 46222, 47080, 51788, 64735, 67232, 81748, 84040, 92444, 94160, 102185, 103576, 115555, 129470, 163496, 168080, 184888, 188320, 204370, 207152, 224807, 231110, 258940, 326992, 336160, 369776, 408740, 414304, 449614, 462220, 517880, 653984, 739552, 817480, 899228, 924440, 1035760, 1124035, 1634960, 1798456, 1848880, 2071520, 2248070, 2472877, 3269920, 3596912, 3697760, 4496140, 4945754, 7193824, 8992280, 9891508, 12364385, 17984560, 19783016, 24728770, 35969120, 39566032, 49457540, 79132064, 98915080, 197830160, 395660320]

約数ペア:

[(1, 395660320), (2, 197830160), (4, 98915080), (5, 79132064), (8, 49457540), (10, 39566032), (11, 35969120), (16, 24728770), (20, 19783016), (22, 17984560), (32, 12364385), (40, 9891508), (44, 8992280), (55, 7193824), (80, 4945754), (88, 4496140), (107, 3697760), (110, 3596912), (121, 3269920), (160, 2472877), (176, 2248070), (191, 2071520), (214, 1848880), (220, 1798456), (242, 1634960), (352, 1124035), (382, 1035760), (428, 924440), (440, 899228), (484, 817480), (535, 739552), (605, 653984), (764, 517880), (856, 462220), (880, 449614), (955, 414304), (968, 408740), (1070, 369776), (1177, 336160), (1210, 326992), (1528, 258940), (1712, 231110), (1760, 224807), (1910, 207152), (1936, 204370), (2101, 188320), (2140, 184888), (2354, 168080), (2420, 163496), (3056, 129470), (3424, 115555), (3820, 103576), (3872, 102185), (4202, 94160), (4280, 92444), (4708, 84040), (4840, 81748), (5885, 67232), (6112, 64735), (7640, 51788), (8404, 47080), (8560, 46222), (9416, 42020), (9680, 40874), (10505, 37664), (11770, 33616), (12947, 30560), (15280, 25894), (16808, 23540), (17120, 23111), (18832, 21010), (19360, 20437)]