487894960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1753}}^1$

素因数の和:1851

約数の個数: 120

約数和(自身を含む): 1338905376

約数和(自身を除く): 851010416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 71, 80, 98, 112, 140, 142, 196, 245, 280, 284, 355, 392, 490, 497, 560, 568, 710, 784, 980, 994, 1136, 1420, 1753, 1960, 1988, 2485, 2840, 3479, 3506, 3920, 3976, 4970, 5680, 6958, 7012, 7952, 8765, 9940, 12271, 13916, 14024, 17395, 17530, 19880, 24542, 27832, 28048, 34790, 35060, 39760, 49084, 55664, 61355, 69580, 70120, 85897, 98168, 122710, 124463, 139160, 140240, 171794, 196336, 245420, 248926, 278320, 343588, 429485, 490840, 497852, 622315, 687176, 858970, 871241, 981680, 995704, 1244630, 1374352, 1717940, 1742482, 1991408, 2489260, 3435880, 3484964, 4356205, 4978520, 6098687, 6871760, 6969928, 8712410, 9957040, 12197374, 13939856, 17424820, 24394748, 30493435, 34849640, 48789496, 60986870, 69699280, 97578992, 121973740, 243947480, 487894960]

約数ペア:

[(1, 487894960), (2, 243947480), (4, 121973740), (5, 97578992), (7, 69699280), (8, 60986870), (10, 48789496), (14, 34849640), (16, 30493435), (20, 24394748), (28, 17424820), (35, 13939856), (40, 12197374), (49, 9957040), (56, 8712410), (70, 6969928), (71, 6871760), (80, 6098687), (98, 4978520), (112, 4356205), (140, 3484964), (142, 3435880), (196, 2489260), (245, 1991408), (280, 1742482), (284, 1717940), (355, 1374352), (392, 1244630), (490, 995704), (497, 981680), (560, 871241), (568, 858970), (710, 687176), (784, 622315), (980, 497852), (994, 490840), (1136, 429485), (1420, 343588), (1753, 278320), (1960, 248926), (1988, 245420), (2485, 196336), (2840, 171794), (3479, 140240), (3506, 139160), (3920, 124463), (3976, 122710), (4970, 98168), (5680, 85897), (6958, 70120), (7012, 69580), (7952, 61355), (8765, 55664), (9940, 49084), (12271, 39760), (13916, 35060), (14024, 34790), (17395, 28048), (17530, 27832), (19880, 24542)]