205255610

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{418889}}^1$

素因数の和:418910

約数の個数: 24

約数和(自身を含む): 429781140

約数和(自身を除く): 224525530

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 418889, 837778, 2094445, 2932223, 4188890, 5864446, 14661115, 20525561, 29322230, 41051122, 102627805, 205255610]

約数ペア:

[(1, 205255610), (2, 102627805), (5, 41051122), (7, 29322230), (10, 20525561), (14, 14661115), (35, 5864446), (49, 4188890), (70, 2932223), (98, 2094445), (245, 837778), (490, 418889)]