997500

素因数分解:

$2^2\times 3^1\times 5^4\times 7^1\times {\mathrm{19}}^1$

素因数の和:53

約数の個数: 120

約数和(自身を含む): 3498880

約数和(自身を除く): 2501380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 50, 57, 60, 70, 75, 76, 84, 95, 100, 105, 114, 125, 133, 140, 150, 175, 190, 210, 228, 250, 266, 285, 300, 350, 375, 380, 399, 420, 475, 500, 525, 532, 570, 625, 665, 700, 750, 798, 875, 950, 1050, 1140, 1250, 1330, 1425, 1500, 1596, 1750, 1875, 1900, 1995, 2100, 2375, 2500, 2625, 2660, 2850, 3325, 3500, 3750, 3990, 4375, 4750, 5250, 5700, 6650, 7125, 7500, 7980, 8750, 9500, 9975, 10500, 11875, 13125, 13300, 14250, 16625, 17500, 19950, 23750, 26250, 28500, 33250, 35625, 39900, 47500, 49875, 52500, 66500, 71250, 83125, 99750, 142500, 166250, 199500, 249375, 332500, 498750, 997500]

約数ペア:

[(1, 997500), (2, 498750), (3, 332500), (4, 249375), (5, 199500), (6, 166250), (7, 142500), (10, 99750), (12, 83125), (14, 71250), (15, 66500), (19, 52500), (20, 49875), (21, 47500), (25, 39900), (28, 35625), (30, 33250), (35, 28500), (38, 26250), (42, 23750), (50, 19950), (57, 17500), (60, 16625), (70, 14250), (75, 13300), (76, 13125), (84, 11875), (95, 10500), (100, 9975), (105, 9500), (114, 8750), (125, 7980), (133, 7500), (140, 7125), (150, 6650), (175, 5700), (190, 5250), (210, 4750), (228, 4375), (250, 3990), (266, 3750), (285, 3500), (300, 3325), (350, 2850), (375, 2660), (380, 2625), (399, 2500), (420, 2375), (475, 2100), (500, 1995), (525, 1900), (532, 1875), (570, 1750), (625, 1596), (665, 1500), (700, 1425), (750, 1330), (798, 1250), (875, 1140), (950, 1050)]