3937500

素因数分解:

$2^2\times 3^2\times 5^6\times 7^1$

素因数の和:47

約数の個数: 126

約数和(自身を含む): 14218568

約数和(自身を除く): 10281068

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 125, 126, 140, 150, 175, 180, 210, 225, 250, 252, 300, 315, 350, 375, 420, 450, 500, 525, 625, 630, 700, 750, 875, 900, 1050, 1125, 1250, 1260, 1500, 1575, 1750, 1875, 2100, 2250, 2500, 2625, 3125, 3150, 3500, 3750, 4375, 4500, 5250, 5625, 6250, 6300, 7500, 7875, 8750, 9375, 10500, 11250, 12500, 13125, 15625, 15750, 17500, 18750, 21875, 22500, 26250, 28125, 31250, 31500, 37500, 39375, 43750, 46875, 52500, 56250, 62500, 65625, 78750, 87500, 93750, 109375, 112500, 131250, 140625, 157500, 187500, 196875, 218750, 262500, 281250, 328125, 393750, 437500, 562500, 656250, 787500, 984375, 1312500, 1968750, 3937500]

約数ペア:

[(1, 3937500), (2, 1968750), (3, 1312500), (4, 984375), (5, 787500), (6, 656250), (7, 562500), (9, 437500), (10, 393750), (12, 328125), (14, 281250), (15, 262500), (18, 218750), (20, 196875), (21, 187500), (25, 157500), (28, 140625), (30, 131250), (35, 112500), (36, 109375), (42, 93750), (45, 87500), (50, 78750), (60, 65625), (63, 62500), (70, 56250), (75, 52500), (84, 46875), (90, 43750), (100, 39375), (105, 37500), (125, 31500), (126, 31250), (140, 28125), (150, 26250), (175, 22500), (180, 21875), (210, 18750), (225, 17500), (250, 15750), (252, 15625), (300, 13125), (315, 12500), (350, 11250), (375, 10500), (420, 9375), (450, 8750), (500, 7875), (525, 7500), (625, 6300), (630, 6250), (700, 5625), (750, 5250), (875, 4500), (900, 4375), (1050, 3750), (1125, 3500), (1250, 3150), (1260, 3125), (1500, 2625), (1575, 2500), (1750, 2250), (1875, 2100)]