9969571780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71211227}}^1$

素因数の和:71211243

約数の個数: 24

約数和(自身を含む): 23926972608

約数和(自身を除く): 13957400828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 71211227, 142422454, 284844908, 356056135, 498478589, 712112270, 996957178, 1424224540, 1993914356, 2492392945, 4984785890, 9969571780]

約数ペア:

[(1, 9969571780), (2, 4984785890), (4, 2492392945), (5, 1993914356), (7, 1424224540), (10, 996957178), (14, 712112270), (20, 498478589), (28, 356056135), (35, 284844908), (70, 142422454), (140, 71211227)]