2109016990

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1070567}}^1$

素因数の和:1070771

約数の個数: 16

約数和(自身を含む): 3815504352

約数和(自身を除く): 1706487362

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 1070567, 2141134, 5352835, 10705670, 210901699, 421803398, 1054508495, 2109016990]

約数ペア:

[(1, 2109016990), (2, 1054508495), (5, 421803398), (10, 210901699), (197, 10705670), (394, 5352835), (985, 2141134), (1970, 1070567)]