890347970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{48049}}^1$

素因数の和:48182

約数の個数: 32

約数和(自身を含む): 1712502000

約数和(自身を除く): 822154030

約数列:

[1, 2, 5, 10, 17, 34, 85, 109, 170, 218, 545, 1090, 1853, 3706, 9265, 18530, 48049, 96098, 240245, 480490, 816833, 1633666, 4084165, 5237341, 8168330, 10474682, 26186705, 52373410, 89034797, 178069594, 445173985, 890347970]

約数ペア:

[(1, 890347970), (2, 445173985), (5, 178069594), (10, 89034797), (17, 52373410), (34, 26186705), (85, 10474682), (109, 8168330), (170, 5237341), (218, 4084165), (545, 1633666), (1090, 816833), (1853, 480490), (3706, 240245), (9265, 96098), (18530, 48049)]