178707970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{12829}}^1$

素因数の和:13042

約数の個数: 32

約数和(自身を含む): 369504000

約数和(自身を除く): 190796030

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 199, 398, 995, 1393, 1990, 2786, 6965, 12829, 13930, 25658, 64145, 89803, 128290, 179606, 449015, 898030, 2552971, 5105942, 12764855, 17870797, 25529710, 35741594, 89353985, 178707970]

約数ペア:

[(1, 178707970), (2, 89353985), (5, 35741594), (7, 25529710), (10, 17870797), (14, 12764855), (35, 5105942), (70, 2552971), (199, 898030), (398, 449015), (995, 179606), (1393, 128290), (1990, 89803), (2786, 64145), (6965, 25658), (12829, 13930)]