280521770

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{315193}}^1$

素因数の和:315289

約数の個数: 16

約数和(自身を含む): 510614280

約数和(自身を除く): 230092510

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 315193, 630386, 1575965, 3151930, 28052177, 56104354, 140260885, 280521770]

約数ペア:

[(1, 280521770), (2, 140260885), (5, 56104354), (10, 28052177), (89, 3151930), (178, 1575965), (445, 630386), (890, 315193)]