672860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1979}}^1$

素因数の和:2005

約数の個数: 24

約数和(自身を含む): 1496880

約数和(自身を除く): 824020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1979, 3958, 7916, 9895, 19790, 33643, 39580, 67286, 134572, 168215, 336430, 672860]

約数ペア:

[(1, 672860), (2, 336430), (4, 168215), (5, 134572), (10, 67286), (17, 39580), (20, 33643), (34, 19790), (68, 9895), (85, 7916), (170, 3958), (340, 1979)]