201986990

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{101501}}^1$

素因数の和:101707

約数の個数: 16

約数和(自身を含む): 365407200

約数和(自身を除く): 163420210

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 101501, 203002, 507505, 1015010, 20198699, 40397398, 100993495, 201986990]

約数ペア:

[(1, 201986990), (2, 100993495), (5, 40397398), (10, 20198699), (199, 1015010), (398, 507505), (995, 203002), (1990, 101501)]