331350220

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{20479}}^1$

素因数の和:21297

約数の個数: 24

約数和(自身を含む): 696729600

約数和(自身を除く): 365379380

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 8090, 16180, 20479, 40958, 81916, 102395, 204790, 409580, 16567511, 33135022, 66270044, 82837555, 165675110, 331350220]

約数ペア:

[(1, 331350220), (2, 165675110), (4, 82837555), (5, 66270044), (10, 33135022), (20, 16567511), (809, 409580), (1618, 204790), (3236, 102395), (4045, 81916), (8090, 40958), (16180, 20479)]