206560420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{7393}}^1$

素因数の和:7540

約数の個数: 48

約数和(自身を含む): 477001728

約数和(自身を除く): 270441308

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, 7393, 13970, 14786, 27940, 29572, 36965, 73930, 81323, 147860, 162646, 325292, 406615, 813230, 938911, 1626460, 1877822, 3755644, 4694555, 9389110, 10328021, 18778220, 20656042, 41312084, 51640105, 103280210, 206560420]

約数ペア:

[(1, 206560420), (2, 103280210), (4, 51640105), (5, 41312084), (10, 20656042), (11, 18778220), (20, 10328021), (22, 9389110), (44, 4694555), (55, 3755644), (110, 1877822), (127, 1626460), (220, 938911), (254, 813230), (508, 406615), (635, 325292), (1270, 162646), (1397, 147860), (2540, 81323), (2794, 73930), (5588, 36965), (6985, 29572), (7393, 27940), (13970, 14786)]