78747740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{231611}}^1$

素因数の和:231637

約数の個数: 24

約数和(自身を含む): 175098672

約数和(自身を除く): 96350932

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 231611, 463222, 926444, 1158055, 2316110, 3937387, 4632220, 7874774, 15749548, 19686935, 39373870, 78747740]

約数ペア:

[(1, 78747740), (2, 39373870), (4, 19686935), (5, 15749548), (10, 7874774), (17, 4632220), (20, 3937387), (34, 2316110), (68, 1158055), (85, 926444), (170, 463222), (340, 231611)]