129285500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:508

約数の個数: 96

約数和(自身を含む): 307507200

約数和(自身を除く): 178221700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 125, 155, 190, 250, 310, 380, 439, 475, 500, 589, 620, 775, 878, 950, 1178, 1550, 1756, 1900, 2195, 2356, 2375, 2945, 3100, 3875, 4390, 4750, 5890, 7750, 8341, 8780, 9500, 10975, 11780, 13609, 14725, 15500, 16682, 21950, 27218, 29450, 33364, 41705, 43900, 54436, 54875, 58900, 68045, 73625, 83410, 109750, 136090, 147250, 166820, 208525, 219500, 258571, 272180, 294500, 340225, 417050, 517142, 680450, 834100, 1034284, 1042625, 1292855, 1360900, 1701125, 2085250, 2585710, 3402250, 4170500, 5171420, 6464275, 6804500, 12928550, 25857100, 32321375, 64642750, 129285500]

約数ペア:

[(1, 129285500), (2, 64642750), (4, 32321375), (5, 25857100), (10, 12928550), (19, 6804500), (20, 6464275), (25, 5171420), (31, 4170500), (38, 3402250), (50, 2585710), (62, 2085250), (76, 1701125), (95, 1360900), (100, 1292855), (124, 1042625), (125, 1034284), (155, 834100), (190, 680450), (250, 517142), (310, 417050), (380, 340225), (439, 294500), (475, 272180), (500, 258571), (589, 219500), (620, 208525), (775, 166820), (878, 147250), (950, 136090), (1178, 109750), (1550, 83410), (1756, 73625), (1900, 68045), (2195, 58900), (2356, 54875), (2375, 54436), (2945, 43900), (3100, 41705), (3875, 33364), (4390, 29450), (4750, 27218), (5890, 21950), (7750, 16682), (8341, 15500), (8780, 14725), (9500, 13609), (10975, 11780)]