71714860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{512249}}^1$

素因数の和:512265

約数の個数: 24

約数和(自身を含む): 172116000

約数和(自身を除く): 100401140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 512249, 1024498, 2048996, 2561245, 3585743, 5122490, 7171486, 10244980, 14342972, 17928715, 35857430, 71714860]

約数ペア:

[(1, 71714860), (2, 35857430), (4, 17928715), (5, 14342972), (7, 10244980), (10, 7171486), (14, 5122490), (20, 3585743), (28, 2561245), (35, 2048996), (70, 1024498), (140, 512249)]