156770210

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{78779}}^1$

素因数の和:78985

約数の個数: 16

約数和(自身を含む): 283608000

約数和(自身を除く): 126837790

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 78779, 157558, 393895, 787790, 15677021, 31354042, 78385105, 156770210]

約数ペア:

[(1, 156770210), (2, 78385105), (5, 31354042), (10, 15677021), (199, 787790), (398, 393895), (995, 157558), (1990, 78779)]