55909420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{399353}}^1$

素因数の和:399369

約数の個数: 24

約数和(自身を含む): 134182944

約数和(自身を除く): 78273524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 399353, 798706, 1597412, 1996765, 2795471, 3993530, 5590942, 7987060, 11181884, 13977355, 27954710, 55909420]

約数ペア:

[(1, 55909420), (2, 27954710), (4, 13977355), (5, 11181884), (7, 7987060), (10, 5590942), (14, 3993530), (20, 2795471), (28, 1996765), (35, 1597412), (70, 798706), (140, 399353)]