78796340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{562831}}^1$

素因数の和:562847

約数の個数: 24

約数和(自身を含む): 189111552

約数和(自身を除く): 110315212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 562831, 1125662, 2251324, 2814155, 3939817, 5628310, 7879634, 11256620, 15759268, 19699085, 39398170, 78796340]

約数ペア:

[(1, 78796340), (2, 39398170), (4, 19699085), (5, 15759268), (7, 11256620), (10, 7879634), (14, 5628310), (20, 3939817), (28, 2814155), (35, 2251324), (70, 1125662), (140, 562831)]