440265170

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{7621}}^1$

素因数の和:7790

約数の個数: 32

約数和(自身を含む): 814944240

約数和(自身を除く): 374679070

約数列:

[1, 2, 5, 10, 53, 106, 109, 218, 265, 530, 545, 1090, 5777, 7621, 11554, 15242, 28885, 38105, 57770, 76210, 403913, 807826, 830689, 1661378, 2019565, 4039130, 4153445, 8306890, 44026517, 88053034, 220132585, 440265170]

約数ペア:

[(1, 440265170), (2, 220132585), (5, 88053034), (10, 44026517), (53, 8306890), (106, 4153445), (109, 4039130), (218, 2019565), (265, 1661378), (530, 830689), (545, 807826), (1090, 403913), (5777, 76210), (7621, 57770), (11554, 38105), (15242, 28885)]