29122940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18911}}^1$

素因数の和:18938

約数の個数: 48

約数和(自身を含む): 76253184

約数和(自身を除く): 47130244

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, 18911, 37822, 75644, 94555, 132377, 189110, 208021, 264754, 378220, 416042, 529508, 661885, 832084, 1040105, 1323770, 1456147, 2080210, 2647540, 2912294, 4160420, 5824588, 7280735, 14561470, 29122940]

約数ペア:

[(1, 29122940), (2, 14561470), (4, 7280735), (5, 5824588), (7, 4160420), (10, 2912294), (11, 2647540), (14, 2080210), (20, 1456147), (22, 1323770), (28, 1040105), (35, 832084), (44, 661885), (55, 529508), (70, 416042), (77, 378220), (110, 264754), (140, 208021), (154, 189110), (220, 132377), (308, 94555), (385, 75644), (770, 37822), (1540, 18911)]