257539040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:193

約数の個数: 192

約数和(自身を含む): 704132352

約数和(自身を除く): 446593312

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 43, 44, 55, 80, 82, 83, 86, 88, 110, 160, 164, 166, 172, 176, 205, 215, 220, 328, 332, 344, 352, 410, 415, 430, 440, 451, 473, 656, 664, 688, 820, 830, 860, 880, 902, 913, 946, 1312, 1328, 1376, 1640, 1660, 1720, 1760, 1763, 1804, 1826, 1892, 2255, 2365, 2656, 3280, 3320, 3403, 3440, 3526, 3569, 3608, 3652, 3784, 4510, 4565, 4730, 6560, 6640, 6806, 6880, 7052, 7138, 7216, 7304, 7568, 8815, 9020, 9130, 9460, 13280, 13612, 14104, 14276, 14432, 14608, 15136, 17015, 17630, 17845, 18040, 18260, 18920, 19393, 27224, 28208, 28552, 29216, 34030, 35260, 35690, 36080, 36520, 37433, 37840, 38786, 39259, 54448, 56416, 57104, 68060, 70520, 71380, 72160, 73040, 74866, 75680, 77572, 78518, 96965, 108896, 114208, 136120, 141040, 142760, 146080, 146329, 149732, 155144, 157036, 187165, 193930, 196295, 272240, 282080, 285520, 292658, 299464, 310288, 314072, 374330, 387860, 392590, 544480, 571040, 585316, 598928, 620576, 628144, 731645, 748660, 775720, 785180, 1170632, 1197856, 1256288, 1463290, 1497320, 1551440, 1570360, 1609619, 2341264, 2926580, 2994640, 3102880, 3140720, 3219238, 4682528, 5853160, 5989280, 6281440, 6438476, 8048095, 11706320, 12876952, 16096190, 23412640, 25753904, 32192380, 51507808, 64384760, 128769520, 257539040]

約数ペア:

[(1, 257539040), (2, 128769520), (4, 64384760), (5, 51507808), (8, 32192380), (10, 25753904), (11, 23412640), (16, 16096190), (20, 12876952), (22, 11706320), (32, 8048095), (40, 6438476), (41, 6281440), (43, 5989280), (44, 5853160), (55, 4682528), (80, 3219238), (82, 3140720), (83, 3102880), (86, 2994640), (88, 2926580), (110, 2341264), (160, 1609619), (164, 1570360), (166, 1551440), (172, 1497320), (176, 1463290), (205, 1256288), (215, 1197856), (220, 1170632), (328, 785180), (332, 775720), (344, 748660), (352, 731645), (410, 628144), (415, 620576), (430, 598928), (440, 585316), (451, 571040), (473, 544480), (656, 392590), (664, 387860), (688, 374330), (820, 314072), (830, 310288), (860, 299464), (880, 292658), (902, 285520), (913, 282080), (946, 272240), (1312, 196295), (1328, 193930), (1376, 187165), (1640, 157036), (1660, 155144), (1720, 149732), (1760, 146329), (1763, 146080), (1804, 142760), (1826, 141040), (1892, 136120), (2255, 114208), (2365, 108896), (2656, 96965), (3280, 78518), (3320, 77572), (3403, 75680), (3440, 74866), (3526, 73040), (3569, 72160), (3608, 71380), (3652, 70520), (3784, 68060), (4510, 57104), (4565, 56416), (4730, 54448), (6560, 39259), (6640, 38786), (6806, 37840), (6880, 37433), (7052, 36520), (7138, 36080), (7216, 35690), (7304, 35260), (7568, 34030), (8815, 29216), (9020, 28552), (9130, 28208), (9460, 27224), (13280, 19393), (13612, 18920), (14104, 18260), (14276, 18040), (14432, 17845), (14608, 17630), (15136, 17015)]