323213750

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:511

約数の個数: 80

約数和(自身を含む): 659788800

約数和(自身を除く): 336575050

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 62, 95, 125, 155, 190, 250, 310, 439, 475, 589, 625, 775, 878, 950, 1178, 1250, 1550, 2195, 2375, 2945, 3875, 4390, 4750, 5890, 7750, 8341, 10975, 11875, 13609, 14725, 16682, 19375, 21950, 23750, 27218, 29450, 38750, 41705, 54875, 68045, 73625, 83410, 109750, 136090, 147250, 208525, 258571, 274375, 340225, 368125, 417050, 517142, 548750, 680450, 736250, 1042625, 1292855, 1701125, 2085250, 2585710, 3402250, 5213125, 6464275, 8505625, 10426250, 12928550, 17011250, 32321375, 64642750, 161606875, 323213750]

約数ペア:

[(1, 323213750), (2, 161606875), (5, 64642750), (10, 32321375), (19, 17011250), (25, 12928550), (31, 10426250), (38, 8505625), (50, 6464275), (62, 5213125), (95, 3402250), (125, 2585710), (155, 2085250), (190, 1701125), (250, 1292855), (310, 1042625), (439, 736250), (475, 680450), (589, 548750), (625, 517142), (775, 417050), (878, 368125), (950, 340225), (1178, 274375), (1250, 258571), (1550, 208525), (2195, 147250), (2375, 136090), (2945, 109750), (3875, 83410), (4390, 73625), (4750, 68045), (5890, 54875), (7750, 41705), (8341, 38750), (10975, 29450), (11875, 27218), (13609, 23750), (14725, 21950), (16682, 19375)]