123003020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{878593}}^1$

素因数の和:878609

約数の個数: 24

約数和(自身を含む): 295207584

約数和(自身を除く): 172204564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 878593, 1757186, 3514372, 4392965, 6150151, 8785930, 12300302, 17571860, 24600604, 30750755, 61501510, 123003020]

約数ペア:

[(1, 123003020), (2, 61501510), (4, 30750755), (5, 24600604), (7, 17571860), (10, 12300302), (14, 8785930), (20, 6150151), (28, 4392965), (35, 3514372), (70, 1757186), (140, 878593)]