211198460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{7559}}^1$

素因数の和:7706

約数の個数: 48

約数和(自身を含む): 487710720

約数和(自身を除く): 276512260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 127, 220, 254, 508, 635, 1270, 1397, 2540, 2794, 5588, 6985, 7559, 13970, 15118, 27940, 30236, 37795, 75590, 83149, 151180, 166298, 332596, 415745, 831490, 959993, 1662980, 1919986, 3839972, 4799965, 9599930, 10559923, 19199860, 21119846, 42239692, 52799615, 105599230, 211198460]

約数ペア:

[(1, 211198460), (2, 105599230), (4, 52799615), (5, 42239692), (10, 21119846), (11, 19199860), (20, 10559923), (22, 9599930), (44, 4799965), (55, 3839972), (110, 1919986), (127, 1662980), (220, 959993), (254, 831490), (508, 415745), (635, 332596), (1270, 166298), (1397, 151180), (2540, 83149), (2794, 75590), (5588, 37795), (6985, 30236), (7559, 27940), (13970, 15118)]