290748360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:476

約数の個数: 192

約数和(自身を含む): 1023865920

約数和(自身を除く): 733117560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 197, 210, 245, 251, 280, 294, 392, 394, 420, 490, 502, 588, 591, 735, 753, 788, 840, 980, 985, 1004, 1176, 1182, 1255, 1379, 1470, 1506, 1576, 1757, 1960, 1970, 2008, 2364, 2510, 2758, 2940, 2955, 3012, 3514, 3765, 3940, 4137, 4728, 5020, 5271, 5516, 5880, 5910, 6024, 6895, 7028, 7530, 7880, 8274, 8785, 9653, 10040, 10542, 11032, 11820, 12299, 13790, 14056, 15060, 16548, 17570, 19306, 20685, 21084, 23640, 24598, 26355, 27580, 28959, 30120, 33096, 35140, 36897, 38612, 41370, 42168, 48265, 49196, 49447, 52710, 55160, 57918, 61495, 70280, 73794, 77224, 82740, 96530, 98392, 98894, 105420, 115836, 122990, 144795, 147588, 148341, 165480, 184485, 193060, 197788, 210840, 231672, 245980, 247235, 289590, 295176, 296682, 346129, 368970, 386120, 395576, 491960, 494470, 579180, 593364, 692258, 737940, 741705, 988940, 1038387, 1158360, 1186728, 1384516, 1475880, 1483410, 1730645, 1977880, 2076774, 2422903, 2769032, 2966820, 3461290, 4153548, 4845806, 5191935, 5933640, 6922580, 7268709, 8307096, 9691612, 10383870, 12114515, 13845160, 14537418, 19383224, 20767740, 24229030, 29074836, 36343545, 41535480, 48458060, 58149672, 72687090, 96916120, 145374180, 290748360]

約数ペア:

[(1, 290748360), (2, 145374180), (3, 96916120), (4, 72687090), (5, 58149672), (6, 48458060), (7, 41535480), (8, 36343545), (10, 29074836), (12, 24229030), (14, 20767740), (15, 19383224), (20, 14537418), (21, 13845160), (24, 12114515), (28, 10383870), (30, 9691612), (35, 8307096), (40, 7268709), (42, 6922580), (49, 5933640), (56, 5191935), (60, 4845806), (70, 4153548), (84, 3461290), (98, 2966820), (105, 2769032), (120, 2422903), (140, 2076774), (147, 1977880), (168, 1730645), (196, 1483410), (197, 1475880), (210, 1384516), (245, 1186728), (251, 1158360), (280, 1038387), (294, 988940), (392, 741705), (394, 737940), (420, 692258), (490, 593364), (502, 579180), (588, 494470), (591, 491960), (735, 395576), (753, 386120), (788, 368970), (840, 346129), (980, 296682), (985, 295176), (1004, 289590), (1176, 247235), (1182, 245980), (1255, 231672), (1379, 210840), (1470, 197788), (1506, 193060), (1576, 184485), (1757, 165480), (1960, 148341), (1970, 147588), (2008, 144795), (2364, 122990), (2510, 115836), (2758, 105420), (2940, 98894), (2955, 98392), (3012, 96530), (3514, 82740), (3765, 77224), (3940, 73794), (4137, 70280), (4728, 61495), (5020, 57918), (5271, 55160), (5516, 52710), (5880, 49447), (5910, 49196), (6024, 48265), (6895, 42168), (7028, 41370), (7530, 38612), (7880, 36897), (8274, 35140), (8785, 33096), (9653, 30120), (10040, 28959), (10542, 27580), (11032, 26355), (11820, 24598), (12299, 23640), (13790, 21084), (14056, 20685), (15060, 19306), (16548, 17570)]