1380511090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19721587}}^1$

素因数の和:19721601

約数の個数: 16

約数和(自身を含む): 2839908672

約数和(自身を除く): 1459397582

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 19721587, 39443174, 98607935, 138051109, 197215870, 276102218, 690255545, 1380511090]

約数ペア:

[(1, 1380511090), (2, 690255545), (5, 276102218), (7, 197215870), (10, 138051109), (14, 98607935), (35, 39443174), (70, 19721587)]