212199890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{433061}}^1$

素因数の和:433082

約数の個数: 24

約数和(自身を含む): 444321612

約数和(自身を除く): 232121722

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 433061, 866122, 2165305, 3031427, 4330610, 6062854, 15157135, 21219989, 30314270, 42439978, 106099945, 212199890]

約数ペア:

[(1, 212199890), (2, 106099945), (5, 42439978), (7, 30314270), (10, 21219989), (14, 15157135), (35, 6062854), (49, 4330610), (70, 3031427), (98, 2165305), (245, 866122), (490, 433061)]