214910680

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{38653}}^1$

素因数の和:38803

約数の個数: 32

約数和(自身を含む): 487040400

約数和(自身を除く): 272129720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 38653, 77306, 154612, 193265, 309224, 386530, 773060, 1546120, 5372767, 10745534, 21491068, 26863835, 42982136, 53727670, 107455340, 214910680]

約数ペア:

[(1, 214910680), (2, 107455340), (4, 53727670), (5, 42982136), (8, 26863835), (10, 21491068), (20, 10745534), (40, 5372767), (139, 1546120), (278, 773060), (556, 386530), (695, 309224), (1112, 193265), (1390, 154612), (2780, 77306), (5560, 38653)]