239040040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{206069}}^1$

素因数の和:206109

約数の個数: 32

約数和(自身を含む): 556389000

約数和(自身を除く): 317348960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 206069, 412138, 824276, 1030345, 1648552, 2060690, 4121380, 5976001, 8242760, 11952002, 23904004, 29880005, 47808008, 59760010, 119520020, 239040040]

約数ペア:

[(1, 239040040), (2, 119520020), (4, 59760010), (5, 47808008), (8, 29880005), (10, 23904004), (20, 11952002), (29, 8242760), (40, 5976001), (58, 4121380), (116, 2060690), (145, 1648552), (232, 1030345), (290, 824276), (580, 412138), (1160, 206069)]