28140490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{9349}}^1$

素因数の和:9406

約数の個数: 32

約数和(自身を含む): 59241600

約数和(自身を除く): 31101110

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 9349, 18698, 46745, 65443, 93490, 130886, 327215, 402007, 654430, 804014, 2010035, 2814049, 4020070, 5628098, 14070245, 28140490]

約数ペア:

[(1, 28140490), (2, 14070245), (5, 5628098), (7, 4020070), (10, 2814049), (14, 2010035), (35, 804014), (43, 654430), (70, 402007), (86, 327215), (215, 130886), (301, 93490), (430, 65443), (602, 46745), (1505, 18698), (3010, 9349)]