209865984

素因数分解:

$2^8\times 3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^2$

素因数の和:260

約数の個数: 108

約数和(自身を含む): 588230496

約数和(自身を除く): 378364512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 109, 128, 138, 184, 192, 218, 256, 276, 327, 368, 384, 436, 552, 654, 736, 768, 872, 1104, 1308, 1472, 1744, 2208, 2507, 2616, 2944, 3488, 4416, 5014, 5232, 5888, 6976, 7521, 8832, 10028, 10464, 11881, 13952, 15042, 17664, 20056, 20928, 23762, 27904, 30084, 35643, 40112, 41856, 47524, 60168, 71286, 80224, 83712, 95048, 120336, 142572, 160448, 190096, 240672, 273263, 285144, 320896, 380192, 481344, 546526, 570288, 641792, 760384, 819789, 962688, 1093052, 1140576, 1520768, 1639578, 1925376, 2186104, 2281152, 3041536, 3279156, 4372208, 4562304, 6558312, 8744416, 9124608, 13116624, 17488832, 26233248, 34977664, 52466496, 69955328, 104932992, 209865984]

約数ペア:

[(1, 209865984), (2, 104932992), (3, 69955328), (4, 52466496), (6, 34977664), (8, 26233248), (12, 17488832), (16, 13116624), (23, 9124608), (24, 8744416), (32, 6558312), (46, 4562304), (48, 4372208), (64, 3279156), (69, 3041536), (92, 2281152), (96, 2186104), (109, 1925376), (128, 1639578), (138, 1520768), (184, 1140576), (192, 1093052), (218, 962688), (256, 819789), (276, 760384), (327, 641792), (368, 570288), (384, 546526), (436, 481344), (552, 380192), (654, 320896), (736, 285144), (768, 273263), (872, 240672), (1104, 190096), (1308, 160448), (1472, 142572), (1744, 120336), (2208, 95048), (2507, 83712), (2616, 80224), (2944, 71286), (3488, 60168), (4416, 47524), (5014, 41856), (5232, 40112), (5888, 35643), (6976, 30084), (7521, 27904), (8832, 23762), (10028, 20928), (10464, 20056), (11881, 17664), (13952, 15042)]