269860

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 576576

約数和(自身を除く): 306716

約数列:

[1, 2, 4, 5, 10, 20, 103, 131, 206, 262, 412, 515, 524, 655, 1030, 1310, 2060, 2620, 13493, 26986, 53972, 67465, 134930, 269860]

約数ペア:

[(1, 269860), (2, 134930), (4, 67465), (5, 53972), (10, 26986), (20, 13493), (103, 2620), (131, 2060), (206, 1310), (262, 1030), (412, 655), (515, 524)]