8619146140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{249541}}^1$

素因数の和:249718

約数の個数: 48

約数和(自身を含む): 19871528544

約数和(自身を除く): 11252382404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 1570, 1727, 3140, 3454, 6908, 8635, 17270, 34540, 249541, 499082, 998164, 1247705, 2495410, 2744951, 4990820, 5489902, 10979804, 13724755, 27449510, 39177937, 54899020, 78355874, 156711748, 195889685, 391779370, 430957307, 783558740, 861914614, 1723829228, 2154786535, 4309573070, 8619146140]

約数ペア:

[(1, 8619146140), (2, 4309573070), (4, 2154786535), (5, 1723829228), (10, 861914614), (11, 783558740), (20, 430957307), (22, 391779370), (44, 195889685), (55, 156711748), (110, 78355874), (157, 54899020), (220, 39177937), (314, 27449510), (628, 13724755), (785, 10979804), (1570, 5489902), (1727, 4990820), (3140, 2744951), (3454, 2495410), (6908, 1247705), (8635, 998164), (17270, 499082), (34540, 249541)]