71848420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{513203}}^1$

素因数の和:513219

約数の個数: 24

約数和(自身を含む): 172436544

約数和(自身を除く): 100588124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 513203, 1026406, 2052812, 2566015, 3592421, 5132030, 7184842, 10264060, 14369684, 17962105, 35924210, 71848420]

約数ペア:

[(1, 71848420), (2, 35924210), (4, 17962105), (5, 14369684), (7, 10264060), (10, 7184842), (14, 5132030), (20, 3592421), (28, 2566015), (35, 2052812), (70, 1026406), (140, 513203)]