204882920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{465643}}^1$

素因数の和:465665

約数の個数: 32

約数和(自身を含む): 502895520

約数和(自身を除く): 298012600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 465643, 931286, 1862572, 2328215, 3725144, 4656430, 5122073, 9312860, 10244146, 18625720, 20488292, 25610365, 40976584, 51220730, 102441460, 204882920]

約数ペア:

[(1, 204882920), (2, 102441460), (4, 51220730), (5, 40976584), (8, 25610365), (10, 20488292), (11, 18625720), (20, 10244146), (22, 9312860), (40, 5122073), (44, 4656430), (55, 3725144), (88, 2328215), (110, 1862572), (220, 931286), (440, 465643)]