290202320

素因数分解:

$2^4\times 5^1\times {\mathrm{3627529}}^1$

素因数の和:3627542

約数の個数: 20

約数和(自身を含む): 674720580

約数和(自身を除く): 384518260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3627529, 7255058, 14510116, 18137645, 29020232, 36275290, 58040464, 72550580, 145101160, 290202320]

約数ペア:

[(1, 290202320), (2, 145101160), (4, 72550580), (5, 58040464), (8, 36275290), (10, 29020232), (16, 18137645), (20, 14510116), (40, 7255058), (80, 3627529)]