222713320

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{17903}}^1$

素因数の和:18225

約数の個数: 32

約数和(自身を含む): 502744320

約数和(自身を除く): 280031000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 12440, 17903, 35806, 71612, 89515, 143224, 179030, 358060, 716120, 5567833, 11135666, 22271332, 27839165, 44542664, 55678330, 111356660, 222713320]

約数ペア:

[(1, 222713320), (2, 111356660), (4, 55678330), (5, 44542664), (8, 27839165), (10, 22271332), (20, 11135666), (40, 5567833), (311, 716120), (622, 358060), (1244, 179030), (1555, 143224), (2488, 89515), (3110, 71612), (6220, 35806), (12440, 17903)]