1680172004

素因数分解:

$2^2\times 7^1\times {\mathrm{2143}}^1\times {\mathrm{28001}}^1$

素因数の和:30155

約数の個数: 24

約数和(自身を含む): 3362032128

約数和(自身を除く): 1681860124

約数列:

[1, 2, 4, 7, 14, 28, 2143, 4286, 8572, 15001, 28001, 30002, 56002, 60004, 112004, 196007, 392014, 784028, 60006143, 120012286, 240024572, 420043001, 840086002, 1680172004]

約数ペア:

[(1, 1680172004), (2, 840086002), (4, 420043001), (7, 240024572), (14, 120012286), (28, 60006143), (2143, 784028), (4286, 392014), (8572, 196007), (15001, 112004), (28001, 60004), (30002, 56002)]