280398930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1335233}}^1$

素因数の和:1335250

約数の個数: 32

約数和(自身を含む): 769094784

約数和(自身を除く): 488695854

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1335233, 2670466, 4005699, 6676165, 8011398, 9346631, 13352330, 18693262, 20028495, 28039893, 40056990, 46733155, 56079786, 93466310, 140199465, 280398930]

約数ペア:

[(1, 280398930), (2, 140199465), (3, 93466310), (5, 56079786), (6, 46733155), (7, 40056990), (10, 28039893), (14, 20028495), (15, 18693262), (21, 13352330), (30, 9346631), (35, 8011398), (42, 6676165), (70, 4005699), (105, 2670466), (210, 1335233)]