1971292010

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{990599}}^1$

素因数の和:990805

約数の個数: 16

約数和(自身を含む): 3566160000

約数和(自身を除く): 1594867990

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 990599, 1981198, 4952995, 9905990, 197129201, 394258402, 985646005, 1971292010]

約数ペア:

[(1, 1971292010), (2, 985646005), (5, 394258402), (10, 197129201), (199, 9905990), (398, 4952995), (995, 1981198), (1990, 990599)]