200395790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{408971}}^1$

素因数の和:408992

約数の個数: 24

約数和(自身を含む): 419605272

約数和(自身を除く): 219209482

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 408971, 817942, 2044855, 2862797, 4089710, 5725594, 14313985, 20039579, 28627970, 40079158, 100197895, 200395790]

約数ペア:

[(1, 200395790), (2, 100197895), (5, 40079158), (7, 28627970), (10, 20039579), (14, 14313985), (35, 5725594), (49, 4089710), (70, 2862797), (98, 2044855), (245, 817942), (490, 408971)]