489055280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{124759}}^1$

素因数の和:124786

約数の個数: 60

約数和(自身を含む): 1322705520

約数和(自身を除く): 833650240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 124759, 249518, 499036, 623795, 873313, 998072, 1247590, 1746626, 1996144, 2495180, 3493252, 4366565, 4990360, 6113191, 6986504, 8733130, 9980720, 12226382, 13973008, 17466260, 24452764, 30565955, 34932520, 48905528, 61131910, 69865040, 97811056, 122263820, 244527640, 489055280]

約数ペア:

[(1, 489055280), (2, 244527640), (4, 122263820), (5, 97811056), (7, 69865040), (8, 61131910), (10, 48905528), (14, 34932520), (16, 30565955), (20, 24452764), (28, 17466260), (35, 13973008), (40, 12226382), (49, 9980720), (56, 8733130), (70, 6986504), (80, 6113191), (98, 4990360), (112, 4366565), (140, 3493252), (196, 2495180), (245, 1996144), (280, 1746626), (392, 1247590), (490, 998072), (560, 873313), (784, 623795), (980, 499036), (1960, 249518), (3920, 124759)]