661524710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:586

約数の個数: 128

約数和(自身を含む): 1581465600

約数和(自身を除く): 919940890

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 103, 110, 133, 154, 190, 206, 209, 266, 385, 418, 439, 515, 665, 721, 770, 878, 1030, 1045, 1133, 1330, 1442, 1463, 1957, 2090, 2195, 2266, 2926, 3073, 3605, 3914, 4390, 4829, 5665, 6146, 7210, 7315, 7931, 8341, 9658, 9785, 11330, 13699, 14630, 15365, 15862, 16682, 19570, 21527, 24145, 27398, 30730, 33803, 39655, 41705, 43054, 45217, 48290, 58387, 67606, 68495, 79310, 83410, 90434, 91751, 107635, 116774, 136990, 150689, 169015, 183502, 215270, 226085, 291935, 301378, 316519, 338030, 452170, 458755, 497387, 583870, 633038, 642257, 753445, 859123, 917510, 994774, 1284514, 1506890, 1582595, 1718246, 2486935, 3165190, 3211285, 3481709, 4295615, 4973870, 6013861, 6422570, 6963418, 8591230, 9450353, 12027722, 17408545, 18900706, 30069305, 34817090, 47251765, 60138610, 66152471, 94503530, 132304942, 330762355, 661524710]

約数ペア:

[(1, 661524710), (2, 330762355), (5, 132304942), (7, 94503530), (10, 66152471), (11, 60138610), (14, 47251765), (19, 34817090), (22, 30069305), (35, 18900706), (38, 17408545), (55, 12027722), (70, 9450353), (77, 8591230), (95, 6963418), (103, 6422570), (110, 6013861), (133, 4973870), (154, 4295615), (190, 3481709), (206, 3211285), (209, 3165190), (266, 2486935), (385, 1718246), (418, 1582595), (439, 1506890), (515, 1284514), (665, 994774), (721, 917510), (770, 859123), (878, 753445), (1030, 642257), (1045, 633038), (1133, 583870), (1330, 497387), (1442, 458755), (1463, 452170), (1957, 338030), (2090, 316519), (2195, 301378), (2266, 291935), (2926, 226085), (3073, 215270), (3605, 183502), (3914, 169015), (4390, 150689), (4829, 136990), (5665, 116774), (6146, 107635), (7210, 91751), (7315, 90434), (7931, 83410), (8341, 79310), (9658, 68495), (9785, 67606), (11330, 58387), (13699, 48290), (14630, 45217), (15365, 43054), (15862, 41705), (16682, 39655), (19570, 33803), (21527, 30730), (24145, 27398)]