121019780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{864427}}^1$

素因数の和:864443

約数の個数: 24

約数和(自身を含む): 290447808

約数和(自身を除く): 169428028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 864427, 1728854, 3457708, 4322135, 6050989, 8644270, 12101978, 17288540, 24203956, 30254945, 60509890, 121019780]

約数ペア:

[(1, 121019780), (2, 60509890), (4, 30254945), (5, 24203956), (7, 17288540), (10, 12101978), (14, 8644270), (20, 6050989), (28, 4322135), (35, 3457708), (70, 1728854), (140, 864427)]