248060

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 530880

約数和(自身を除く): 282820

約数列:

[1, 2, 4, 5, 10, 20, 79, 157, 158, 314, 316, 395, 628, 785, 790, 1570, 1580, 3140, 12403, 24806, 49612, 62015, 124030, 248060]

約数ペア:

[(1, 248060), (2, 124030), (4, 62015), (5, 49612), (10, 24806), (20, 12403), (79, 3140), (157, 1580), (158, 1570), (314, 790), (316, 785), (395, 628)]