206187190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{21061}}^1$

素因数の和:21168

約数の個数: 32

約数和(自身を含む): 409445280

約数和(自身を除く): 203258090

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 4895, 9790, 21061, 42122, 105305, 210610, 231671, 463342, 1158355, 1874429, 2316710, 3748858, 9372145, 18744290, 20618719, 41237438, 103093595, 206187190]

約数ペア:

[(1, 206187190), (2, 103093595), (5, 41237438), (10, 20618719), (11, 18744290), (22, 9372145), (55, 3748858), (89, 2316710), (110, 1874429), (178, 1158355), (445, 463342), (890, 231671), (979, 210610), (1958, 105305), (4895, 42122), (9790, 21061)]