136979780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{978427}}^1$

素因数の和:978443

約数の個数: 24

約数和(自身を含む): 328751808

約数和(自身を除く): 191772028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 978427, 1956854, 3913708, 4892135, 6848989, 9784270, 13697978, 19568540, 27395956, 34244945, 68489890, 136979780]

約数ペア:

[(1, 136979780), (2, 68489890), (4, 34244945), (5, 27395956), (7, 19568540), (10, 13697978), (14, 9784270), (20, 6848989), (28, 4892135), (35, 3913708), (70, 1956854), (140, 978427)]