27228740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17681}}^1$

素因数の和:17708

約数の個数: 48

約数和(自身を含む): 71293824

約数和(自身を除く): 44065084

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 17681, 35362, 70724, 88405, 123767, 176810, 194491, 247534, 353620, 388982, 495068, 618835, 777964, 972455, 1237670, 1361437, 1944910, 2475340, 2722874, 3889820, 5445748, 6807185, 13614370, 27228740]

約数ペア:

[(1, 27228740), (2, 13614370), (4, 6807185), (5, 5445748), (7, 3889820), (10, 2722874), (11, 2475340), (14, 1944910), (20, 1361437), (22, 1237670), (28, 972455), (35, 777964), (44, 618835), (55, 495068), (70, 388982), (77, 353620), (110, 247534), (140, 194491), (154, 176810), (220, 123767), (308, 88405), (385, 70724), (770, 35362), (1540, 17681)]