29720090

素因数分解:

$2^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{2999}}^1$

素因数の和:3997

約数の個数: 16

約数和(自身を含む): 53568000

約数和(自身を除く): 23847910

約数列:

[1, 2, 5, 10, 991, 1982, 2999, 4955, 5998, 9910, 14995, 29990, 2972009, 5944018, 14860045, 29720090]

約数ペア:

[(1, 29720090), (2, 14860045), (5, 5944018), (10, 2972009), (991, 29990), (1982, 14995), (2999, 9910), (4955, 5998)]