278310910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1061}}^1\times {\mathrm{1543}}^1$

素因数の和:2628

約数の個数: 32

約数和(自身を含む): 531271872

約数和(自身を除く): 252960962

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1061, 1543, 2122, 3086, 5305, 7715, 10610, 15430, 18037, 26231, 36074, 52462, 90185, 131155, 180370, 262310, 1637123, 3274246, 8185615, 16371230, 27831091, 55662182, 139155455, 278310910]

約数ペア:

[(1, 278310910), (2, 139155455), (5, 55662182), (10, 27831091), (17, 16371230), (34, 8185615), (85, 3274246), (170, 1637123), (1061, 262310), (1543, 180370), (2122, 131155), (3086, 90185), (5305, 52462), (7715, 36074), (10610, 26231), (15430, 18037)]