215947312

素因数分解:

$2^4\times 7^3\times {\mathrm{19}}^2\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 120

約数和(自身を含む): 519684000

約数和(自身を除く): 303736688

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 109, 112, 133, 152, 196, 218, 266, 304, 343, 361, 392, 436, 532, 686, 722, 763, 784, 872, 931, 1064, 1372, 1444, 1526, 1744, 1862, 2071, 2128, 2527, 2744, 2888, 3052, 3724, 4142, 5054, 5341, 5488, 5776, 6104, 6517, 7448, 8284, 10108, 10682, 12208, 13034, 14497, 14896, 16568, 17689, 20216, 21364, 26068, 28994, 33136, 35378, 37387, 39349, 40432, 42728, 52136, 57988, 70756, 74774, 78698, 85456, 101479, 104272, 115976, 123823, 141512, 149548, 157396, 202958, 231952, 247646, 275443, 283024, 299096, 314792, 405916, 495292, 550886, 598192, 629584, 710353, 811832, 990584, 1101772, 1420706, 1623664, 1928101, 1981168, 2203544, 2841412, 3856202, 4407088, 5682824, 7712404, 11365648, 13496707, 15424808, 26993414, 30849616, 53986828, 107973656, 215947312]

約数ペア:

[(1, 215947312), (2, 107973656), (4, 53986828), (7, 30849616), (8, 26993414), (14, 15424808), (16, 13496707), (19, 11365648), (28, 7712404), (38, 5682824), (49, 4407088), (56, 3856202), (76, 2841412), (98, 2203544), (109, 1981168), (112, 1928101), (133, 1623664), (152, 1420706), (196, 1101772), (218, 990584), (266, 811832), (304, 710353), (343, 629584), (361, 598192), (392, 550886), (436, 495292), (532, 405916), (686, 314792), (722, 299096), (763, 283024), (784, 275443), (872, 247646), (931, 231952), (1064, 202958), (1372, 157396), (1444, 149548), (1526, 141512), (1744, 123823), (1862, 115976), (2071, 104272), (2128, 101479), (2527, 85456), (2744, 78698), (2888, 74774), (3052, 70756), (3724, 57988), (4142, 52136), (5054, 42728), (5341, 40432), (5488, 39349), (5776, 37387), (6104, 35378), (6517, 33136), (7448, 28994), (8284, 26068), (10108, 21364), (10682, 20216), (12208, 17689), (13034, 16568), (14497, 14896)]