206958140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{10463}}^1$

素因数の和:10538

約数の個数: 48

約数和(自身を含む): 464099328

約数和(自身を除く): 257141188

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3956, 4945, 9890, 10463, 19780, 20926, 41852, 52315, 104630, 209260, 240649, 449909, 481298, 899818, 962596, 1203245, 1799636, 2249545, 2406490, 4499090, 4812980, 8998180, 10347907, 20695814, 41391628, 51739535, 103479070, 206958140]

約数ペア:

[(1, 206958140), (2, 103479070), (4, 51739535), (5, 41391628), (10, 20695814), (20, 10347907), (23, 8998180), (43, 4812980), (46, 4499090), (86, 2406490), (92, 2249545), (115, 1799636), (172, 1203245), (215, 962596), (230, 899818), (430, 481298), (460, 449909), (860, 240649), (989, 209260), (1978, 104630), (3956, 52315), (4945, 41852), (9890, 20926), (10463, 19780)]