1882540

素因数分解:

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

素因数の和:262

約数の個数: 48

約数和(自身を含む): 4435200

約数和(自身を除く): 2552660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 199, 215, 220, 398, 430, 473, 796, 860, 946, 995, 1892, 1990, 2189, 2365, 3980, 4378, 4730, 8557, 8756, 9460, 10945, 17114, 21890, 34228, 42785, 43780, 85570, 94127, 171140, 188254, 376508, 470635, 941270, 1882540]

約数ペア:

[(1, 1882540), (2, 941270), (4, 470635), (5, 376508), (10, 188254), (11, 171140), (20, 94127), (22, 85570), (43, 43780), (44, 42785), (55, 34228), (86, 21890), (110, 17114), (172, 10945), (199, 9460), (215, 8756), (220, 8557), (398, 4730), (430, 4378), (473, 3980), (796, 2365), (860, 2189), (946, 1990), (995, 1892)]