287645210

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{206939}}^1$

素因数の和:207085

約数の個数: 16

約数和(自身を含む): 521488800

約数和(自身を除く): 233843590

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 206939, 413878, 1034695, 2069390, 28764521, 57529042, 143822605, 287645210]

約数ペア:

[(1, 287645210), (2, 143822605), (5, 57529042), (10, 28764521), (139, 2069390), (278, 1034695), (695, 413878), (1390, 206939)]