18825400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 49104000

約数和(自身を除く): 30278600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 43, 44, 50, 55, 86, 88, 100, 110, 172, 199, 200, 215, 220, 275, 344, 398, 430, 440, 473, 550, 796, 860, 946, 995, 1075, 1100, 1592, 1720, 1892, 1990, 2150, 2189, 2200, 2365, 3784, 3980, 4300, 4378, 4730, 4975, 7960, 8557, 8600, 8756, 9460, 9950, 10945, 11825, 17114, 17512, 18920, 19900, 21890, 23650, 34228, 39800, 42785, 43780, 47300, 54725, 68456, 85570, 87560, 94127, 94600, 109450, 171140, 188254, 213925, 218900, 342280, 376508, 427850, 437800, 470635, 753016, 855700, 941270, 1711400, 1882540, 2353175, 3765080, 4706350, 9412700, 18825400]

約数ペア:

[(1, 18825400), (2, 9412700), (4, 4706350), (5, 3765080), (8, 2353175), (10, 1882540), (11, 1711400), (20, 941270), (22, 855700), (25, 753016), (40, 470635), (43, 437800), (44, 427850), (50, 376508), (55, 342280), (86, 218900), (88, 213925), (100, 188254), (110, 171140), (172, 109450), (199, 94600), (200, 94127), (215, 87560), (220, 85570), (275, 68456), (344, 54725), (398, 47300), (430, 43780), (440, 42785), (473, 39800), (550, 34228), (796, 23650), (860, 21890), (946, 19900), (995, 18920), (1075, 17512), (1100, 17114), (1592, 11825), (1720, 10945), (1892, 9950), (1990, 9460), (2150, 8756), (2189, 8600), (2200, 8557), (2365, 7960), (3784, 4975), (3980, 4730), (4300, 4378)]