218009810

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{200009}}^1$

素因数の和:200125

約数の個数: 16

約数和(自身を含む): 396019800

約数和(自身を除く): 178009990

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 200009, 400018, 1000045, 2000090, 21800981, 43601962, 109004905, 218009810]

約数ペア:

[(1, 218009810), (2, 109004905), (5, 43601962), (10, 21800981), (109, 2000090), (218, 1000045), (545, 400018), (1090, 200009)]