164544820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1\times {\mathrm{911}}^1$

素因数の和:1752

約数の個数: 48

約数和(自身を含む): 377830656

約数和(自身を除く): 213285836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 821, 911, 1642, 1822, 3284, 3644, 4105, 4555, 8210, 9031, 9110, 10021, 16420, 18062, 18220, 20042, 36124, 40084, 45155, 50105, 90310, 100210, 180620, 200420, 747931, 1495862, 2991724, 3739655, 7479310, 8227241, 14958620, 16454482, 32908964, 41136205, 82272410, 164544820]

約数ペア:

[(1, 164544820), (2, 82272410), (4, 41136205), (5, 32908964), (10, 16454482), (11, 14958620), (20, 8227241), (22, 7479310), (44, 3739655), (55, 2991724), (110, 1495862), (220, 747931), (821, 200420), (911, 180620), (1642, 100210), (1822, 90310), (3284, 50105), (3644, 45155), (4105, 40084), (4555, 36124), (8210, 20042), (9031, 18220), (9110, 18062), (10021, 16420)]