205507157020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{10495769}}^1$

素因数の和:10495878

約数の個数: 48

約数和(自身を含む): 476088127200

約数和(自身を除く): 270580970180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3916, 4895, 9790, 19580, 10495769, 20991538, 41983076, 52478845, 104957690, 115453459, 209915380, 230906918, 461813836, 577267295, 934123441, 1154534590, 1868246882, 2309069180, 3736493764, 4670617205, 9341234410, 10275357851, 18682468820, 20550715702, 41101431404, 51376789255, 102753578510, 205507157020]

約数ペア:

[(1, 205507157020), (2, 102753578510), (4, 51376789255), (5, 41101431404), (10, 20550715702), (11, 18682468820), (20, 10275357851), (22, 9341234410), (44, 4670617205), (55, 3736493764), (89, 2309069180), (110, 1868246882), (178, 1154534590), (220, 934123441), (356, 577267295), (445, 461813836), (890, 230906918), (979, 209915380), (1780, 115453459), (1958, 104957690), (3916, 52478845), (4895, 41983076), (9790, 20991538), (19580, 10495769)]