77134540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{550961}}^1$

素因数の和:550977

約数の個数: 24

約数和(自身を含む): 185123232

約数和(自身を除く): 107988692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 550961, 1101922, 2203844, 2754805, 3856727, 5509610, 7713454, 11019220, 15426908, 19283635, 38567270, 77134540]

約数ペア:

[(1, 77134540), (2, 38567270), (4, 19283635), (5, 15426908), (7, 11019220), (10, 7713454), (14, 5509610), (20, 3856727), (28, 2754805), (35, 2203844), (70, 1101922), (140, 550961)]