Muon radiative energy loss (in 1.0E06 cm^2/g) in seaborgium (Sg) with Z = 106, A = [269.12863(5)] (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 2.4319 0.0977 0.3539 2.8834 5. 3.3861 2.0102 0.3776 5.7740 10. 4.1666 3.5025 0.3703 8.0395 20. 4.9677 4.8506 0.3573 10.1756 50. 6.0137 6.9370 0.3428 13.2935 100. 6.7549 8.3057 0.3360 15.3966 200. 7.4282 9.5112 0.3328 17.2722 500. 8.1787 10.6085 0.3330 19.1202 1000. 8.6271 11.1861 0.3381 20.1513 2000. 8.9732 11.5997 0.3462 20.9191 5000. 9.2916 11.9456 0.3608 21.5981 10000. 9.4479 12.1033 0.3754 21.9267 20000. 9.5508 12.2076 0.3924 22.1508 50000. 9.6426 12.2838 0.4189 22.3454 100000. 9.6727 12.3156 0.4417 22.4300