203931520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:352

約数の個数: 128

約数和(自身を含む): 531901440

約数和(自身を除く): 327969920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 128, 130, 160, 193, 208, 254, 260, 320, 386, 416, 508, 520, 635, 640, 772, 832, 965, 1016, 1040, 1270, 1544, 1651, 1664, 1930, 2032, 2080, 2509, 2540, 3088, 3302, 3860, 4064, 4160, 5018, 5080, 6176, 6604, 7720, 8128, 8255, 8320, 10036, 10160, 12352, 12545, 13208, 15440, 16256, 16510, 20072, 20320, 24511, 24704, 25090, 26416, 30880, 33020, 40144, 40640, 49022, 50180, 52832, 61760, 66040, 80288, 81280, 98044, 100360, 105664, 122555, 123520, 132080, 160576, 196088, 200720, 211328, 245110, 264160, 318643, 321152, 392176, 401440, 490220, 528320, 637286, 784352, 802880, 980440, 1056640, 1274572, 1568704, 1593215, 1605760, 1960880, 2549144, 3137408, 3186430, 3921760, 5098288, 6372860, 7843520, 10196576, 12745720, 15687040, 20393152, 25491440, 40786304, 50982880, 101965760, 203931520]

約数ペア:

[(1, 203931520), (2, 101965760), (4, 50982880), (5, 40786304), (8, 25491440), (10, 20393152), (13, 15687040), (16, 12745720), (20, 10196576), (26, 7843520), (32, 6372860), (40, 5098288), (52, 3921760), (64, 3186430), (65, 3137408), (80, 2549144), (104, 1960880), (127, 1605760), (128, 1593215), (130, 1568704), (160, 1274572), (193, 1056640), (208, 980440), (254, 802880), (260, 784352), (320, 637286), (386, 528320), (416, 490220), (508, 401440), (520, 392176), (635, 321152), (640, 318643), (772, 264160), (832, 245110), (965, 211328), (1016, 200720), (1040, 196088), (1270, 160576), (1544, 132080), (1651, 123520), (1664, 122555), (1930, 105664), (2032, 100360), (2080, 98044), (2509, 81280), (2540, 80288), (3088, 66040), (3302, 61760), (3860, 52832), (4064, 50180), (4160, 49022), (5018, 40640), (5080, 40144), (6176, 33020), (6604, 30880), (7720, 26416), (8128, 25090), (8255, 24704), (8320, 24511), (10036, 20320), (10160, 20072), (12352, 16510), (12545, 16256), (13208, 15440)]