10919860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{77999}}^1$

素因数の和:78015

約数の個数: 24

約数和(自身を含む): 26208000

約数和(自身を除く): 15288140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 77999, 155998, 311996, 389995, 545993, 779990, 1091986, 1559980, 2183972, 2729965, 5459930, 10919860]

約数ペア:

[(1, 10919860), (2, 5459930), (4, 2729965), (5, 2183972), (7, 1559980), (10, 1091986), (14, 779990), (20, 545993), (28, 389995), (35, 311996), (70, 155998), (140, 77999)]