8424790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 18144000

約数和(自身を除く): 9719210

約数列:

[1, 2, 5, 10, 11, 19, 22, 29, 38, 55, 58, 95, 110, 139, 145, 190, 209, 278, 290, 319, 418, 551, 638, 695, 1045, 1102, 1390, 1529, 1595, 2090, 2641, 2755, 3058, 3190, 4031, 5282, 5510, 6061, 7645, 8062, 12122, 13205, 15290, 20155, 26410, 29051, 30305, 40310, 44341, 58102, 60610, 76589, 88682, 145255, 153178, 221705, 290510, 382945, 443410, 765890, 842479, 1684958, 4212395, 8424790]

約数ペア:

[(1, 8424790), (2, 4212395), (5, 1684958), (10, 842479), (11, 765890), (19, 443410), (22, 382945), (29, 290510), (38, 221705), (55, 153178), (58, 145255), (95, 88682), (110, 76589), (139, 60610), (145, 58102), (190, 44341), (209, 40310), (278, 30305), (290, 29051), (319, 26410), (418, 20155), (551, 15290), (638, 13205), (695, 12122), (1045, 8062), (1102, 7645), (1390, 6061), (1529, 5510), (1595, 5282), (2090, 4031), (2641, 3190), (2755, 3058)]