219492070

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{447943}}^1$

素因数の和:447964

約数の個数: 24

約数和(自身を含む): 459590544

約数和(自身を除く): 240098474

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 447943, 895886, 2239715, 3135601, 4479430, 6271202, 15678005, 21949207, 31356010, 43898414, 109746035, 219492070]

約数ペア:

[(1, 219492070), (2, 109746035), (5, 43898414), (7, 31356010), (10, 21949207), (14, 15678005), (35, 6271202), (49, 4479430), (70, 3135601), (98, 2239715), (245, 895886), (490, 447943)]