208540656

素因数分解:

$2^4\times 3^6\times {\mathrm{19}}^1\times {\mathrm{941}}^1$

素因数の和:986

約数の個数: 140

約数和(自身を含む): 638355720

約数和(自身を除く): 429815064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 81, 108, 114, 144, 152, 162, 171, 216, 228, 243, 304, 324, 342, 432, 456, 486, 513, 648, 684, 729, 912, 941, 972, 1026, 1296, 1368, 1458, 1539, 1882, 1944, 2052, 2736, 2823, 2916, 3078, 3764, 3888, 4104, 4617, 5646, 5832, 6156, 7528, 8208, 8469, 9234, 11292, 11664, 12312, 13851, 15056, 16938, 17879, 18468, 22584, 24624, 25407, 27702, 33876, 35758, 36936, 45168, 50814, 53637, 55404, 67752, 71516, 73872, 76221, 101628, 107274, 110808, 135504, 143032, 152442, 160911, 203256, 214548, 221616, 228663, 286064, 304884, 321822, 406512, 429096, 457326, 482733, 609768, 643644, 685989, 858192, 914652, 965466, 1219536, 1287288, 1371978, 1448199, 1829304, 1930932, 2574576, 2743956, 2896398, 3658608, 3861864, 4344597, 5487912, 5792796, 7723728, 8689194, 10975824, 11585592, 13033791, 17378388, 23171184, 26067582, 34756776, 52135164, 69513552, 104270328, 208540656]

約数ペア:

[(1, 208540656), (2, 104270328), (3, 69513552), (4, 52135164), (6, 34756776), (8, 26067582), (9, 23171184), (12, 17378388), (16, 13033791), (18, 11585592), (19, 10975824), (24, 8689194), (27, 7723728), (36, 5792796), (38, 5487912), (48, 4344597), (54, 3861864), (57, 3658608), (72, 2896398), (76, 2743956), (81, 2574576), (108, 1930932), (114, 1829304), (144, 1448199), (152, 1371978), (162, 1287288), (171, 1219536), (216, 965466), (228, 914652), (243, 858192), (304, 685989), (324, 643644), (342, 609768), (432, 482733), (456, 457326), (486, 429096), (513, 406512), (648, 321822), (684, 304884), (729, 286064), (912, 228663), (941, 221616), (972, 214548), (1026, 203256), (1296, 160911), (1368, 152442), (1458, 143032), (1539, 135504), (1882, 110808), (1944, 107274), (2052, 101628), (2736, 76221), (2823, 73872), (2916, 71516), (3078, 67752), (3764, 55404), (3888, 53637), (4104, 50814), (4617, 45168), (5646, 36936), (5832, 35758), (6156, 33876), (7528, 27702), (8208, 25407), (8469, 24624), (9234, 22584), (11292, 18468), (11664, 17879), (12312, 16938), (13851, 15056)]