2945000

素因数分解:

$2^3\times 5^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:76

約数の個数: 80

約数和(自身を含む): 7497600

約数和(自身を除く): 4552600

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 31, 38, 40, 50, 62, 76, 95, 100, 124, 125, 152, 155, 190, 200, 248, 250, 310, 380, 475, 500, 589, 620, 625, 760, 775, 950, 1000, 1178, 1240, 1250, 1550, 1900, 2356, 2375, 2500, 2945, 3100, 3800, 3875, 4712, 4750, 5000, 5890, 6200, 7750, 9500, 11780, 11875, 14725, 15500, 19000, 19375, 23560, 23750, 29450, 31000, 38750, 47500, 58900, 73625, 77500, 95000, 117800, 147250, 155000, 294500, 368125, 589000, 736250, 1472500, 2945000]

約数ペア:

[(1, 2945000), (2, 1472500), (4, 736250), (5, 589000), (8, 368125), (10, 294500), (19, 155000), (20, 147250), (25, 117800), (31, 95000), (38, 77500), (40, 73625), (50, 58900), (62, 47500), (76, 38750), (95, 31000), (100, 29450), (124, 23750), (125, 23560), (152, 19375), (155, 19000), (190, 15500), (200, 14725), (248, 11875), (250, 11780), (310, 9500), (380, 7750), (475, 6200), (500, 5890), (589, 5000), (620, 4750), (625, 4712), (760, 3875), (775, 3800), (950, 3100), (1000, 2945), (1178, 2500), (1240, 2375), (1250, 2356), (1550, 1900)]