2199620

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1009}}^1$

素因数の和:1127

約数の個数: 24

約数和(自身を含む): 4666200

約数和(自身を除く): 2466580

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1009, 1090, 2018, 2180, 4036, 5045, 10090, 20180, 109981, 219962, 439924, 549905, 1099810, 2199620]

約数ペア:

[(1, 2199620), (2, 1099810), (4, 549905), (5, 439924), (10, 219962), (20, 109981), (109, 20180), (218, 10090), (436, 5045), (545, 4036), (1009, 2180), (1090, 2018)]