201686660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1440619}}^1$

素因数の和:1440635

約数の個数: 24

約数和(自身を含む): 484048320

約数和(自身を除く): 282361660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1440619, 2881238, 5762476, 7203095, 10084333, 14406190, 20168666, 28812380, 40337332, 50421665, 100843330, 201686660]

約数ペア:

[(1, 201686660), (2, 100843330), (4, 50421665), (5, 40337332), (7, 28812380), (10, 20168666), (14, 14406190), (20, 10084333), (28, 7203095), (35, 5762476), (70, 2881238), (140, 1440619)]