77478940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{50311}}^1$

素因数の和:50338

約数の個数: 48

約数和(自身を含む): 202857984

約数和(自身を除く): 125379044

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, 50311, 100622, 201244, 251555, 352177, 503110, 553421, 704354, 1006220, 1106842, 1408708, 1760885, 2213684, 2767105, 3521770, 3873947, 5534210, 7043540, 7747894, 11068420, 15495788, 19369735, 38739470, 77478940]

約数ペア:

[(1, 77478940), (2, 38739470), (4, 19369735), (5, 15495788), (7, 11068420), (10, 7747894), (11, 7043540), (14, 5534210), (20, 3873947), (22, 3521770), (28, 2767105), (35, 2213684), (44, 1760885), (55, 1408708), (70, 1106842), (77, 1006220), (110, 704354), (140, 553421), (154, 503110), (220, 352177), (308, 251555), (385, 201244), (770, 100622), (1540, 50311)]