208495280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{372313}}^1$

素因数の和:372333

約数の個数: 40

約数和(自身を含む): 554003232

約数和(自身を除く): 345507952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 372313, 744626, 1489252, 1861565, 2606191, 2978504, 3723130, 5212382, 5957008, 7446260, 10424764, 13030955, 14892520, 20849528, 26061910, 29785040, 41699056, 52123820, 104247640, 208495280]

約数ペア:

[(1, 208495280), (2, 104247640), (4, 52123820), (5, 41699056), (7, 29785040), (8, 26061910), (10, 20849528), (14, 14892520), (16, 13030955), (20, 10424764), (28, 7446260), (35, 5957008), (40, 5212382), (56, 3723130), (70, 2978504), (80, 2606191), (112, 1861565), (140, 1489252), (280, 744626), (560, 372313)]