207637990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{423751}}^1$

素因数の和:423772

約数の個数: 24

約数和(自身を含む): 434769552

約数和(自身を除く): 227131562

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 423751, 847502, 2118755, 2966257, 4237510, 5932514, 14831285, 20763799, 29662570, 41527598, 103818995, 207637990]

約数ペア:

[(1, 207637990), (2, 103818995), (5, 41527598), (7, 29662570), (10, 20763799), (14, 14831285), (35, 5932514), (49, 4237510), (70, 2966257), (98, 2118755), (245, 847502), (490, 423751)]