686803670260

素因数分解:

$2^2\times 5^1\times {\mathrm{71419}}^1\times {\mathrm{480827}}^1$

素因数の和:552255

約数の個数: 24

約数和(自身を含む): 1442310901920

約数和(自身を除く): 755507231660

約数列:

[1, 2, 4, 5, 10, 20, 71419, 142838, 285676, 357095, 480827, 714190, 961654, 1428380, 1923308, 2404135, 4808270, 9616540, 34340183513, 68680367026, 137360734052, 171700917565, 343401835130, 686803670260]

約数ペア:

[(1, 686803670260), (2, 343401835130), (4, 171700917565), (5, 137360734052), (10, 68680367026), (20, 34340183513), (71419, 9616540), (142838, 4808270), (285676, 2404135), (357095, 1923308), (480827, 1428380), (714190, 961654)]