2720221490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{38860307}}^1$

素因数の和:38860321

約数の個数: 16

約数和(自身を含む): 5595884352

約数和(自身を除く): 2875662862

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 38860307, 77720614, 194301535, 272022149, 388603070, 544044298, 1360110745, 2720221490]

約数ペア:

[(1, 2720221490), (2, 1360110745), (5, 544044298), (7, 388603070), (10, 272022149), (14, 194301535), (35, 77720614), (70, 38860307)]