407863040

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:354

約数の個数: 144

約数和(自身を含む): 1065888768

約数和(自身を除く): 658025728

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, 256, 260, 320, 386, 416, 508, 520, 635, 640, 772, 832, 965, 1016, 1040, 1270, 1280, 1544, 1651, 1664, 1930, 2032, 2080, 2509, 2540, 3088, 3302, 3328, 3860, 4064, 4160, 5018, 5080, 6176, 6604, 7720, 8128, 8255, 8320, 10036, 10160, 12352, 12545, 13208, 15440, 16256, 16510, 16640, 20072, 20320, 24511, 24704, 25090, 26416, 30880, 32512, 33020, 40144, 40640, 49022, 49408, 50180, 52832, 61760, 66040, 80288, 81280, 98044, 100360, 105664, 122555, 123520, 132080, 160576, 162560, 196088, 200720, 211328, 245110, 247040, 264160, 318643, 321152, 392176, 401440, 422656, 490220, 528320, 637286, 642304, 784352, 802880, 980440, 1056640, 1274572, 1568704, 1593215, 1605760, 1960880, 2113280, 2549144, 3137408, 3186430, 3211520, 3921760, 5098288, 6274816, 6372860, 7843520, 10196576, 12745720, 15687040, 20393152, 25491440, 31374080, 40786304, 50982880, 81572608, 101965760, 203931520, 407863040]

約数ペア:

[(1, 407863040), (2, 203931520), (4, 101965760), (5, 81572608), (8, 50982880), (10, 40786304), (13, 31374080), (16, 25491440), (20, 20393152), (26, 15687040), (32, 12745720), (40, 10196576), (52, 7843520), (64, 6372860), (65, 6274816), (80, 5098288), (104, 3921760), (127, 3211520), (128, 3186430), (130, 3137408), (160, 2549144), (193, 2113280), (208, 1960880), (254, 1605760), (256, 1593215), (260, 1568704), (320, 1274572), (386, 1056640), (416, 980440), (508, 802880), (520, 784352), (635, 642304), (640, 637286), (772, 528320), (832, 490220), (965, 422656), (1016, 401440), (1040, 392176), (1270, 321152), (1280, 318643), (1544, 264160), (1651, 247040), (1664, 245110), (1930, 211328), (2032, 200720), (2080, 196088), (2509, 162560), (2540, 160576), (3088, 132080), (3302, 123520), (3328, 122555), (3860, 105664), (4064, 100360), (4160, 98044), (5018, 81280), (5080, 80288), (6176, 66040), (6604, 61760), (7720, 52832), (8128, 50180), (8255, 49408), (8320, 49022), (10036, 40640), (10160, 40144), (12352, 33020), (12545, 32512), (13208, 30880), (15440, 26416), (16256, 25090), (16510, 24704), (16640, 24511), (20072, 20320)]