71372140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509801}}^1$

素因数の和:509817

約数の個数: 24

約数和(自身を含む): 171293472

約数和(自身を除く): 99921332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509801, 1019602, 2039204, 2549005, 3568607, 5098010, 7137214, 10196020, 14274428, 17843035, 35686070, 71372140]

約数ペア:

[(1, 71372140), (2, 35686070), (4, 17843035), (5, 14274428), (7, 10196020), (10, 7137214), (14, 5098010), (20, 3568607), (28, 2549005), (35, 2039204), (70, 1019602), (140, 509801)]