263934440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1279}}^1$

素因数の和:1375

約数の個数: 128

約数和(自身を含む): 752025600

約数和(自身を除く): 488091160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 67, 70, 77, 88, 110, 134, 140, 154, 220, 268, 280, 308, 335, 385, 440, 469, 536, 616, 670, 737, 770, 938, 1279, 1340, 1474, 1540, 1876, 2345, 2558, 2680, 2948, 3080, 3685, 3752, 4690, 5116, 5159, 5896, 6395, 7370, 8953, 9380, 10232, 10318, 12790, 14069, 14740, 17906, 18760, 20636, 25580, 25795, 28138, 29480, 35812, 41272, 44765, 51160, 51590, 56276, 70345, 71624, 85693, 89530, 98483, 103180, 112552, 140690, 171386, 179060, 196966, 206360, 281380, 342772, 358120, 393932, 428465, 492415, 562760, 599851, 685544, 787864, 856930, 942623, 984830, 1199702, 1713860, 1885246, 1969660, 2399404, 2999255, 3427720, 3770492, 3939320, 4713115, 4798808, 5998510, 6598361, 7540984, 9426230, 11997020, 13196722, 18852460, 23994040, 26393444, 32991805, 37704920, 52786888, 65983610, 131967220, 263934440]

約数ペア:

[(1, 263934440), (2, 131967220), (4, 65983610), (5, 52786888), (7, 37704920), (8, 32991805), (10, 26393444), (11, 23994040), (14, 18852460), (20, 13196722), (22, 11997020), (28, 9426230), (35, 7540984), (40, 6598361), (44, 5998510), (55, 4798808), (56, 4713115), (67, 3939320), (70, 3770492), (77, 3427720), (88, 2999255), (110, 2399404), (134, 1969660), (140, 1885246), (154, 1713860), (220, 1199702), (268, 984830), (280, 942623), (308, 856930), (335, 787864), (385, 685544), (440, 599851), (469, 562760), (536, 492415), (616, 428465), (670, 393932), (737, 358120), (770, 342772), (938, 281380), (1279, 206360), (1340, 196966), (1474, 179060), (1540, 171386), (1876, 140690), (2345, 112552), (2558, 103180), (2680, 98483), (2948, 89530), (3080, 85693), (3685, 71624), (3752, 70345), (4690, 56276), (5116, 51590), (5159, 51160), (5896, 44765), (6395, 41272), (7370, 35812), (8953, 29480), (9380, 28138), (10232, 25795), (10318, 25580), (12790, 20636), (14069, 18760), (14740, 17906)]