290460284

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{709}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 547256640

約数和(自身を除く): 256796356

約数列:

[1, 2, 4, 23, 46, 61, 73, 92, 122, 146, 244, 292, 709, 1403, 1418, 1679, 2806, 2836, 3358, 4453, 5612, 6716, 8906, 16307, 17812, 32614, 43249, 51757, 65228, 86498, 102419, 103514, 172996, 204838, 207028, 409676, 994727, 1190411, 1989454, 2380822, 3157177, 3978908, 4761644, 6314354, 12628708, 72615071, 145230142, 290460284]

約数ペア:

[(1, 290460284), (2, 145230142), (4, 72615071), (23, 12628708), (46, 6314354), (61, 4761644), (73, 3978908), (92, 3157177), (122, 2380822), (146, 1989454), (244, 1190411), (292, 994727), (709, 409676), (1403, 207028), (1418, 204838), (1679, 172996), (2806, 103514), (2836, 102419), (3358, 86498), (4453, 65228), (5612, 51757), (6716, 43249), (8906, 32614), (16307, 17812)]