69390580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{495647}}^1$

素因数の和:495663

約数の個数: 24

約数和(自身を含む): 166537728

約数和(自身を除く): 97147148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 495647, 991294, 1982588, 2478235, 3469529, 4956470, 6939058, 9912940, 13878116, 17347645, 34695290, 69390580]

約数ペア:

[(1, 69390580), (2, 34695290), (4, 17347645), (5, 13878116), (7, 9912940), (10, 6939058), (14, 4956470), (20, 3469529), (28, 2478235), (35, 1982588), (70, 991294), (140, 495647)]