208052480

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 536868864

約数和(自身を除く): 328816384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 37, 40, 46, 64, 74, 80, 92, 115, 128, 148, 160, 184, 185, 191, 230, 256, 296, 320, 368, 370, 382, 460, 592, 640, 736, 740, 764, 851, 920, 955, 1184, 1280, 1472, 1480, 1528, 1702, 1840, 1910, 2368, 2944, 2960, 3056, 3404, 3680, 3820, 4255, 4393, 4736, 5888, 5920, 6112, 6808, 7067, 7360, 7640, 8510, 8786, 9472, 11840, 12224, 13616, 14134, 14720, 15280, 17020, 17572, 21965, 23680, 24448, 27232, 28268, 29440, 30560, 34040, 35144, 35335, 43930, 47360, 48896, 54464, 56536, 61120, 68080, 70288, 70670, 87860, 108928, 113072, 122240, 136160, 140576, 141340, 162541, 175720, 217856, 226144, 244480, 272320, 281152, 282680, 325082, 351440, 452288, 544640, 562304, 565360, 650164, 702880, 812705, 904576, 1089280, 1124608, 1130720, 1300328, 1405760, 1625410, 1809152, 2261440, 2600656, 2811520, 3250820, 4522880, 5201312, 5623040, 6501640, 9045760, 10402624, 13003280, 20805248, 26006560, 41610496, 52013120, 104026240, 208052480]

約数ペア:

[(1, 208052480), (2, 104026240), (4, 52013120), (5, 41610496), (8, 26006560), (10, 20805248), (16, 13003280), (20, 10402624), (23, 9045760), (32, 6501640), (37, 5623040), (40, 5201312), (46, 4522880), (64, 3250820), (74, 2811520), (80, 2600656), (92, 2261440), (115, 1809152), (128, 1625410), (148, 1405760), (160, 1300328), (184, 1130720), (185, 1124608), (191, 1089280), (230, 904576), (256, 812705), (296, 702880), (320, 650164), (368, 565360), (370, 562304), (382, 544640), (460, 452288), (592, 351440), (640, 325082), (736, 282680), (740, 281152), (764, 272320), (851, 244480), (920, 226144), (955, 217856), (1184, 175720), (1280, 162541), (1472, 141340), (1480, 140576), (1528, 136160), (1702, 122240), (1840, 113072), (1910, 108928), (2368, 87860), (2944, 70670), (2960, 70288), (3056, 68080), (3404, 61120), (3680, 56536), (3820, 54464), (4255, 48896), (4393, 47360), (4736, 43930), (5888, 35335), (5920, 35144), (6112, 34040), (6808, 30560), (7067, 29440), (7360, 28268), (7640, 27232), (8510, 24448), (8786, 23680), (9472, 21965), (11840, 17572), (12224, 17020), (13616, 15280), (14134, 14720)]