157012990

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{78901}}^1$

素因数の和:79107

約数の個数: 16

約数和(自身を含む): 284047200

約数和(自身を除く): 127034210

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 78901, 157802, 394505, 789010, 15701299, 31402598, 78506495, 157012990]

約数ペア:

[(1, 157012990), (2, 78506495), (5, 31402598), (10, 15701299), (199, 789010), (398, 394505), (995, 157802), (1990, 78901)]