257835270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 192

約数和(自身を含む): 793658880

約数和(自身を除く): 535823610

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 73, 77, 105, 110, 121, 139, 146, 154, 165, 210, 219, 231, 242, 278, 330, 363, 365, 385, 417, 438, 462, 511, 605, 695, 726, 730, 770, 803, 834, 847, 973, 1022, 1095, 1155, 1210, 1390, 1529, 1533, 1606, 1694, 1815, 1946, 2085, 2190, 2310, 2409, 2541, 2555, 2919, 3058, 3066, 3630, 4015, 4170, 4235, 4587, 4818, 4865, 5082, 5110, 5621, 5838, 7645, 7665, 8030, 8470, 8833, 9174, 9730, 10147, 10703, 11242, 12045, 12705, 14595, 15290, 15330, 16819, 16863, 17666, 20294, 21406, 22935, 24090, 25410, 26499, 28105, 29190, 30441, 32109, 33638, 33726, 44165, 45870, 50457, 50735, 52998, 53515, 56210, 60882, 61831, 64218, 71029, 84095, 84315, 88330, 100914, 101470, 107030, 111617, 117733, 123662, 132495, 142058, 152205, 160545, 168190, 168630, 185493, 213087, 223234, 235466, 252285, 264990, 304410, 309155, 321090, 334851, 353199, 355145, 370986, 426174, 504570, 558085, 588665, 618310, 669702, 706398, 710290, 781319, 927465, 1065435, 1116170, 1177330, 1227787, 1562638, 1674255, 1765995, 1854930, 2130870, 2343957, 2455574, 3348510, 3531990, 3683361, 3906595, 4687914, 6138935, 7366722, 7813190, 8594509, 11719785, 12277870, 17189018, 18416805, 23439570, 25783527, 36833610, 42972545, 51567054, 85945090, 128917635, 257835270]

約数ペア:

[(1, 257835270), (2, 128917635), (3, 85945090), (5, 51567054), (6, 42972545), (7, 36833610), (10, 25783527), (11, 23439570), (14, 18416805), (15, 17189018), (21, 12277870), (22, 11719785), (30, 8594509), (33, 7813190), (35, 7366722), (42, 6138935), (55, 4687914), (66, 3906595), (70, 3683361), (73, 3531990), (77, 3348510), (105, 2455574), (110, 2343957), (121, 2130870), (139, 1854930), (146, 1765995), (154, 1674255), (165, 1562638), (210, 1227787), (219, 1177330), (231, 1116170), (242, 1065435), (278, 927465), (330, 781319), (363, 710290), (365, 706398), (385, 669702), (417, 618310), (438, 588665), (462, 558085), (511, 504570), (605, 426174), (695, 370986), (726, 355145), (730, 353199), (770, 334851), (803, 321090), (834, 309155), (847, 304410), (973, 264990), (1022, 252285), (1095, 235466), (1155, 223234), (1210, 213087), (1390, 185493), (1529, 168630), (1533, 168190), (1606, 160545), (1694, 152205), (1815, 142058), (1946, 132495), (2085, 123662), (2190, 117733), (2310, 111617), (2409, 107030), (2541, 101470), (2555, 100914), (2919, 88330), (3058, 84315), (3066, 84095), (3630, 71029), (4015, 64218), (4170, 61831), (4235, 60882), (4587, 56210), (4818, 53515), (4865, 52998), (5082, 50735), (5110, 50457), (5621, 45870), (5838, 44165), (7645, 33726), (7665, 33638), (8030, 32109), (8470, 30441), (8833, 29190), (9174, 28105), (9730, 26499), (10147, 25410), (10703, 24090), (11242, 22935), (12045, 21406), (12705, 20294), (14595, 17666), (15290, 16863), (15330, 16819)]