245649140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:465

約数の個数: 96

約数和(自身を含む): 588470400

約数和(自身を除く): 342821260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 139, 145, 220, 277, 278, 290, 319, 554, 556, 580, 638, 695, 1108, 1276, 1385, 1390, 1529, 1595, 2770, 2780, 3047, 3058, 3190, 4031, 5540, 6094, 6116, 6380, 7645, 8033, 8062, 12188, 15235, 15290, 16066, 16124, 20155, 30470, 30580, 32132, 38503, 40165, 40310, 44341, 60940, 77006, 80330, 80620, 88363, 88682, 154012, 160660, 176726, 177364, 192515, 221705, 353452, 385030, 423533, 441815, 443410, 770060, 847066, 883630, 886820, 1116587, 1694132, 1767260, 2117665, 2233174, 4235330, 4466348, 5582935, 8470660, 11165870, 12282457, 22331740, 24564914, 49129828, 61412285, 122824570, 245649140]

約数ペア:

[(1, 245649140), (2, 122824570), (4, 61412285), (5, 49129828), (10, 24564914), (11, 22331740), (20, 12282457), (22, 11165870), (29, 8470660), (44, 5582935), (55, 4466348), (58, 4235330), (110, 2233174), (116, 2117665), (139, 1767260), (145, 1694132), (220, 1116587), (277, 886820), (278, 883630), (290, 847066), (319, 770060), (554, 443410), (556, 441815), (580, 423533), (638, 385030), (695, 353452), (1108, 221705), (1276, 192515), (1385, 177364), (1390, 176726), (1529, 160660), (1595, 154012), (2770, 88682), (2780, 88363), (3047, 80620), (3058, 80330), (3190, 77006), (4031, 60940), (5540, 44341), (6094, 40310), (6116, 40165), (6380, 38503), (7645, 32132), (8033, 30580), (8062, 30470), (12188, 20155), (15235, 16124), (15290, 16066)]