8364620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 19359648

約数和(自身を除く): 10995028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 193, 197, 220, 386, 394, 772, 788, 965, 985, 1930, 1970, 2123, 2167, 3860, 3940, 4246, 4334, 8492, 8668, 10615, 10835, 21230, 21670, 38021, 42460, 43340, 76042, 152084, 190105, 380210, 418231, 760420, 836462, 1672924, 2091155, 4182310, 8364620]

約数ペア:

[(1, 8364620), (2, 4182310), (4, 2091155), (5, 1672924), (10, 836462), (11, 760420), (20, 418231), (22, 380210), (44, 190105), (55, 152084), (110, 76042), (193, 43340), (197, 42460), (220, 38021), (386, 21670), (394, 21230), (772, 10835), (788, 10615), (965, 8668), (985, 8492), (1930, 4334), (1970, 4246), (2123, 3940), (2167, 3860)]