89814760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{320767}}^1$

素因数の和:320785

約数の個数: 32

約数和(自身を含む): 230952960

約数和(自身を除く): 141138200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 320767, 641534, 1283068, 1603835, 2245369, 2566136, 3207670, 4490738, 6415340, 8981476, 11226845, 12830680, 17962952, 22453690, 44907380, 89814760]

約数ペア:

[(1, 89814760), (2, 44907380), (4, 22453690), (5, 17962952), (7, 12830680), (8, 11226845), (10, 8981476), (14, 6415340), (20, 4490738), (28, 3207670), (35, 2566136), (40, 2245369), (56, 1603835), (70, 1283068), (140, 641534), (280, 320767)]