771042040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{2311}}^1$

素因数の和:2780

約数の個数: 64

約数和(自身を含む): 1831104000

約数和(自身を除く): 1060061960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 439, 760, 878, 1756, 2195, 2311, 3512, 4390, 4622, 8341, 8780, 9244, 11555, 16682, 17560, 18488, 23110, 33364, 41705, 43909, 46220, 66728, 83410, 87818, 92440, 166820, 175636, 219545, 333640, 351272, 439090, 878180, 1014529, 1756360, 2029058, 4058116, 5072645, 8116232, 10145290, 19276051, 20290580, 38552102, 40581160, 77104204, 96380255, 154208408, 192760510, 385521020, 771042040]

約数ペア:

[(1, 771042040), (2, 385521020), (4, 192760510), (5, 154208408), (8, 96380255), (10, 77104204), (19, 40581160), (20, 38552102), (38, 20290580), (40, 19276051), (76, 10145290), (95, 8116232), (152, 5072645), (190, 4058116), (380, 2029058), (439, 1756360), (760, 1014529), (878, 878180), (1756, 439090), (2195, 351272), (2311, 333640), (3512, 219545), (4390, 175636), (4622, 166820), (8341, 92440), (8780, 87818), (9244, 83410), (11555, 66728), (16682, 46220), (17560, 43909), (18488, 41705), (23110, 33364)]