126881020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{906293}}^1$

素因数の和:906309

約数の個数: 24

約数和(自身を含む): 304514784

約数和(自身を除く): 177633764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 906293, 1812586, 3625172, 4531465, 6344051, 9062930, 12688102, 18125860, 25376204, 31720255, 63440510, 126881020]

約数ペア:

[(1, 126881020), (2, 63440510), (4, 31720255), (5, 25376204), (7, 18125860), (10, 12688102), (14, 9062930), (20, 6344051), (28, 4531465), (35, 3625172), (70, 1812586), (140, 906293)]