2790590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1103}}^1$

素因数の和:1144

約数の個数: 32

約数和(自身を含む): 5723136

約数和(自身を除く): 2932546

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1103, 1265, 2206, 2530, 5515, 11030, 12133, 24266, 25369, 50738, 60665, 121330, 126845, 253690, 279059, 558118, 1395295, 2790590]

約数ペア:

[(1, 2790590), (2, 1395295), (5, 558118), (10, 279059), (11, 253690), (22, 126845), (23, 121330), (46, 60665), (55, 50738), (110, 25369), (115, 24266), (230, 12133), (253, 11030), (506, 5515), (1103, 2530), (1265, 2206)]