209575808

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 128

約数和(自身を含む): 480664800

約数和(自身を除く): 271088992

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 43, 52, 58, 64, 86, 101, 104, 116, 128, 172, 202, 208, 232, 344, 377, 404, 416, 464, 559, 688, 754, 808, 832, 928, 1118, 1247, 1313, 1376, 1508, 1616, 1664, 1856, 2236, 2494, 2626, 2752, 2929, 3016, 3232, 3712, 4343, 4472, 4988, 5252, 5504, 5858, 6032, 6464, 8686, 8944, 9976, 10504, 11716, 12064, 12928, 16211, 17372, 17888, 19952, 21008, 23432, 24128, 32422, 34744, 35776, 38077, 39904, 42016, 46864, 48256, 56459, 64844, 69488, 71552, 76154, 79808, 84032, 93728, 112918, 125947, 129688, 138976, 152308, 159616, 168064, 187456, 225836, 251894, 259376, 277952, 304616, 374912, 451672, 503788, 518752, 555904, 609232, 903344, 1007576, 1037504, 1218464, 1637311, 1806688, 2015152, 2075008, 2436928, 3274622, 3613376, 4030304, 4873856, 6549244, 7226752, 8060608, 13098488, 16121216, 26196976, 52393952, 104787904, 209575808]

約数ペア:

[(1, 209575808), (2, 104787904), (4, 52393952), (8, 26196976), (13, 16121216), (16, 13098488), (26, 8060608), (29, 7226752), (32, 6549244), (43, 4873856), (52, 4030304), (58, 3613376), (64, 3274622), (86, 2436928), (101, 2075008), (104, 2015152), (116, 1806688), (128, 1637311), (172, 1218464), (202, 1037504), (208, 1007576), (232, 903344), (344, 609232), (377, 555904), (404, 518752), (416, 503788), (464, 451672), (559, 374912), (688, 304616), (754, 277952), (808, 259376), (832, 251894), (928, 225836), (1118, 187456), (1247, 168064), (1313, 159616), (1376, 152308), (1508, 138976), (1616, 129688), (1664, 125947), (1856, 112918), (2236, 93728), (2494, 84032), (2626, 79808), (2752, 76154), (2929, 71552), (3016, 69488), (3232, 64844), (3712, 56459), (4343, 48256), (4472, 46864), (4988, 42016), (5252, 39904), (5504, 38077), (5858, 35776), (6032, 34744), (6464, 32422), (8686, 24128), (8944, 23432), (9976, 21008), (10504, 19952), (11716, 17888), (12064, 17372), (12928, 16211)]