2990090

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2903}}^1$

素因数の和:3013

約数の個数: 16

約数和(自身を含む): 5436288

約数和(自身を除く): 2446198

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 2903, 5806, 14515, 29030, 299009, 598018, 1495045, 2990090]

約数ペア:

[(1, 2990090), (2, 1495045), (5, 598018), (10, 299009), (103, 29030), (206, 14515), (515, 5806), (1030, 2903)]