239675180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{30649}}^1$

素因数の和:30698

約数の個数: 48

約数和(自身を含む): 556113600

約数和(自身を除く): 316438420

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 30649, 61298, 122596, 153245, 306490, 521033, 612980, 704927, 1042066, 1409854, 2084132, 2605165, 2819708, 3524635, 5210330, 7049270, 10420660, 11983759, 14098540, 23967518, 47935036, 59918795, 119837590, 239675180]

約数ペア:

[(1, 239675180), (2, 119837590), (4, 59918795), (5, 47935036), (10, 23967518), (17, 14098540), (20, 11983759), (23, 10420660), (34, 7049270), (46, 5210330), (68, 3524635), (85, 2819708), (92, 2605165), (115, 2084132), (170, 1409854), (230, 1042066), (340, 704927), (391, 612980), (460, 521033), (782, 306490), (1564, 153245), (1955, 122596), (3910, 61298), (7820, 30649)]