380090020

素因数分解:

$2^2\times 5^1\times {\mathrm{2693}}^1\times {\mathrm{7057}}^1$

素因数の和:9759

約数の個数: 24

約数和(自身を含む): 798598584

約数和(自身を除く): 418508564

約数列:

[1, 2, 4, 5, 10, 20, 2693, 5386, 7057, 10772, 13465, 14114, 26930, 28228, 35285, 53860, 70570, 141140, 19004501, 38009002, 76018004, 95022505, 190045010, 380090020]

約数ペア:

[(1, 380090020), (2, 190045010), (4, 95022505), (5, 76018004), (10, 38009002), (20, 19004501), (2693, 141140), (5386, 70570), (7057, 53860), (10772, 35285), (13465, 28228), (14114, 26930)]