286142720

素因数分解:

$2^8\times 5^1\times {\mathrm{223549}}^1$

素因数の和:223570

約数の個数: 36

約数和(自身を含む): 685404300

約数和(自身を除く): 399261580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 223549, 447098, 894196, 1117745, 1788392, 2235490, 3576784, 4470980, 7153568, 8941960, 14307136, 17883920, 28614272, 35767840, 57228544, 71535680, 143071360, 286142720]

約数ペア:

[(1, 286142720), (2, 143071360), (4, 71535680), (5, 57228544), (8, 35767840), (10, 28614272), (16, 17883920), (20, 14307136), (32, 8941960), (40, 7153568), (64, 4470980), (80, 3576784), (128, 2235490), (160, 1788392), (256, 1117745), (320, 894196), (640, 447098), (1280, 223549)]