200620210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{409429}}^1$

素因数の和:409450

約数の個数: 24

約数和(自身を含む): 420075180

約数和(自身を除く): 219454970

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 409429, 818858, 2047145, 2866003, 4094290, 5732006, 14330015, 20062021, 28660030, 40124042, 100310105, 200620210]

約数ペア:

[(1, 200620210), (2, 100310105), (5, 40124042), (7, 28660030), (10, 20062021), (14, 14330015), (35, 5732006), (49, 4094290), (70, 2866003), (98, 2047145), (245, 818858), (490, 409429)]