207720870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{2203}}^1$

素因数の和:2669

約数の個数: 64

約数和(自身を含む): 571276800

約数和(自身を除く): 363555930

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 449, 898, 1347, 2203, 2245, 2694, 3143, 4406, 4490, 6286, 6609, 6735, 9429, 11015, 13218, 13470, 15421, 15715, 18858, 22030, 30842, 31430, 33045, 46263, 47145, 66090, 77105, 92526, 94290, 154210, 231315, 462630, 989147, 1978294, 2967441, 4945735, 5934882, 6924029, 9891470, 13848058, 14837205, 20772087, 29674410, 34620145, 41544174, 69240290, 103860435, 207720870]

約数ペア:

[(1, 207720870), (2, 103860435), (3, 69240290), (5, 41544174), (6, 34620145), (7, 29674410), (10, 20772087), (14, 14837205), (15, 13848058), (21, 9891470), (30, 6924029), (35, 5934882), (42, 4945735), (70, 2967441), (105, 1978294), (210, 989147), (449, 462630), (898, 231315), (1347, 154210), (2203, 94290), (2245, 92526), (2694, 77105), (3143, 66090), (4406, 47145), (4490, 46263), (6286, 33045), (6609, 31430), (6735, 30842), (9429, 22030), (11015, 18858), (13218, 15715), (13470, 15421)]