261720130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{3738859}}^1$

素因数の和:3738873

約数の個数: 16

約数和(自身を含む): 538395840

約数和(自身を除く): 276675710

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 3738859, 7477718, 18694295, 26172013, 37388590, 52344026, 130860065, 261720130]

約数ペア:

[(1, 261720130), (2, 130860065), (5, 52344026), (7, 37388590), (10, 26172013), (14, 18694295), (35, 7477718), (70, 3738859)]