6640630

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 12441600

約数和(自身を除く): 5800970

約数列:

[1, 2, 5, 10, 47, 71, 94, 142, 199, 235, 355, 398, 470, 710, 995, 1990, 3337, 6674, 9353, 14129, 16685, 18706, 28258, 33370, 46765, 70645, 93530, 141290, 664063, 1328126, 3320315, 6640630]

約数ペア:

[(1, 6640630), (2, 3320315), (5, 1328126), (10, 664063), (47, 141290), (71, 93530), (94, 70645), (142, 46765), (199, 33370), (235, 28258), (355, 18706), (398, 16685), (470, 14129), (710, 9353), (995, 6674), (1990, 3337)]