208340720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{372037}}^1$

素因数の和:372057

約数の個数: 40

約数和(自身を含む): 553592544

約数和(自身を除く): 345251824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 372037, 744074, 1488148, 1860185, 2604259, 2976296, 3720370, 5208518, 5952592, 7440740, 10417036, 13021295, 14881480, 20834072, 26042590, 29762960, 41668144, 52085180, 104170360, 208340720]

約数ペア:

[(1, 208340720), (2, 104170360), (4, 52085180), (5, 41668144), (7, 29762960), (8, 26042590), (10, 20834072), (14, 14881480), (16, 13021295), (20, 10417036), (28, 7440740), (35, 5952592), (40, 5208518), (56, 3720370), (70, 2976296), (80, 2604259), (112, 1860185), (140, 1488148), (280, 744074), (560, 372037)]