217644680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{494647}}^1$

素因数の和:494669

約数の個数: 32

約数和(自身を含む): 534219840

約数和(自身を除く): 316575160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 494647, 989294, 1978588, 2473235, 3957176, 4946470, 5441117, 9892940, 10882234, 19785880, 21764468, 27205585, 43528936, 54411170, 108822340, 217644680]

約数ペア:

[(1, 217644680), (2, 108822340), (4, 54411170), (5, 43528936), (8, 27205585), (10, 21764468), (11, 19785880), (20, 10882234), (22, 9892940), (40, 5441117), (44, 4946470), (55, 3957176), (88, 2473235), (110, 1978588), (220, 989294), (440, 494647)]