220340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{479}}^1$

素因数の和:511

約数の個数: 24

約数和(自身を含む): 483840

約数和(自身を除く): 263500

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 479, 958, 1916, 2395, 4790, 9580, 11017, 22034, 44068, 55085, 110170, 220340]

約数ペア:

[(1, 220340), (2, 110170), (4, 55085), (5, 44068), (10, 22034), (20, 11017), (23, 9580), (46, 4790), (92, 2395), (115, 1916), (230, 958), (460, 479)]