71818460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{512989}}^1$

素因数の和:513005

約数の個数: 24

約数和(自身を含む): 172364640

約数和(自身を除く): 100546180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 512989, 1025978, 2051956, 2564945, 3590923, 5129890, 7181846, 10259780, 14363692, 17954615, 35909230, 71818460]

約数ペア:

[(1, 71818460), (2, 35909230), (4, 17954615), (5, 14363692), (7, 10259780), (10, 7181846), (14, 5129890), (20, 3590923), (28, 2564945), (35, 2051956), (70, 1025978), (140, 512989)]