209743040

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:554

約数の個数: 112

約数和(自身を含む): 543470592

約数和(自身を除く): 333727552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 130, 160, 208, 254, 260, 320, 397, 416, 508, 520, 635, 794, 832, 1016, 1040, 1270, 1588, 1651, 1985, 2032, 2080, 2540, 3176, 3302, 3970, 4064, 4160, 5080, 5161, 6352, 6604, 7940, 8128, 8255, 10160, 10322, 12704, 13208, 15880, 16510, 20320, 20644, 25408, 25805, 26416, 31760, 33020, 40640, 41288, 50419, 51610, 52832, 63520, 66040, 82576, 100838, 103220, 105664, 127040, 132080, 165152, 201676, 206440, 252095, 264160, 330304, 403352, 412880, 504190, 528320, 655447, 806704, 825760, 1008380, 1310894, 1613408, 1651520, 2016760, 2621788, 3226816, 3277235, 4033520, 5243576, 6554470, 8067040, 10487152, 13108940, 16134080, 20974304, 26217880, 41948608, 52435760, 104871520, 209743040]

約数ペア:

[(1, 209743040), (2, 104871520), (4, 52435760), (5, 41948608), (8, 26217880), (10, 20974304), (13, 16134080), (16, 13108940), (20, 10487152), (26, 8067040), (32, 6554470), (40, 5243576), (52, 4033520), (64, 3277235), (65, 3226816), (80, 2621788), (104, 2016760), (127, 1651520), (130, 1613408), (160, 1310894), (208, 1008380), (254, 825760), (260, 806704), (320, 655447), (397, 528320), (416, 504190), (508, 412880), (520, 403352), (635, 330304), (794, 264160), (832, 252095), (1016, 206440), (1040, 201676), (1270, 165152), (1588, 132080), (1651, 127040), (1985, 105664), (2032, 103220), (2080, 100838), (2540, 82576), (3176, 66040), (3302, 63520), (3970, 52832), (4064, 51610), (4160, 50419), (5080, 41288), (5161, 40640), (6352, 33020), (6604, 31760), (7940, 26416), (8128, 25805), (8255, 25408), (10160, 20644), (10322, 20320), (12704, 16510), (13208, 15880)]