205121744030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2930310629}}^1$

素因数の和:2930310643

約数の個数: 16

約数和(自身を含む): 421964730720

約数和(自身を除く): 216842986690

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2930310629, 5860621258, 14651553145, 20512174403, 29303106290, 41024348806, 102560872015, 205121744030]

約数ペア:

[(1, 205121744030), (2, 102560872015), (5, 41024348806), (7, 29303106290), (10, 20512174403), (14, 14651553145), (35, 5860621258), (70, 2930310629)]