253549520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{911}}^1$

素因数の和:1009

約数の個数: 120

約数和(自身を含む): 696169728

約数和(自身を除く): 442620208

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, 911, 980, 994, 1136, 1420, 1822, 1960, 1988, 2485, 2840, 3479, 3644, 3920, 3976, 4555, 4970, 5680, 6377, 6958, 7288, 7952, 9110, 9940, 12754, 13916, 14576, 17395, 18220, 19880, 25508, 27832, 31885, 34790, 36440, 39760, 44639, 51016, 55664, 63770, 64681, 69580, 72880, 89278, 102032, 127540, 129362, 139160, 178556, 223195, 255080, 258724, 278320, 323405, 357112, 446390, 452767, 510160, 517448, 646810, 714224, 892780, 905534, 1034896, 1293620, 1785560, 1811068, 2263835, 2587240, 3169369, 3571120, 3622136, 4527670, 5174480, 6338738, 7244272, 9055340, 12677476, 15846845, 18110680, 25354952, 31693690, 36221360, 50709904, 63387380, 126774760, 253549520]

約数ペア:

[(1, 253549520), (2, 126774760), (4, 63387380), (5, 50709904), (7, 36221360), (8, 31693690), (10, 25354952), (14, 18110680), (16, 15846845), (20, 12677476), (28, 9055340), (35, 7244272), (40, 6338738), (49, 5174480), (56, 4527670), (70, 3622136), (71, 3571120), (80, 3169369), (98, 2587240), (112, 2263835), (140, 1811068), (142, 1785560), (196, 1293620), (245, 1034896), (280, 905534), (284, 892780), (355, 714224), (392, 646810), (490, 517448), (497, 510160), (560, 452767), (568, 446390), (710, 357112), (784, 323405), (911, 278320), (980, 258724), (994, 255080), (1136, 223195), (1420, 178556), (1822, 139160), (1960, 129362), (1988, 127540), (2485, 102032), (2840, 89278), (3479, 72880), (3644, 69580), (3920, 64681), (3976, 63770), (4555, 55664), (4970, 51016), (5680, 44639), (6377, 39760), (6958, 36440), (7288, 34790), (7952, 31885), (9110, 27832), (9940, 25508), (12754, 19880), (13916, 18220), (14576, 17395)]