290202280

素因数分解:

$2^3\times 5^1\times {\mathrm{7255057}}^1$

素因数の和:7255068

約数の個数: 16

約数和(自身を含む): 652955220

約数和(自身を除く): 362752940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7255057, 14510114, 29020228, 36275285, 58040456, 72550570, 145101140, 290202280]

約数ペア:

[(1, 290202280), (2, 145101140), (4, 72550570), (5, 58040456), (8, 36275285), (10, 29020228), (20, 14510114), (40, 7255057)]