406000000

素因数分解:

$2^7\times 5^6\times 7^1\times {\mathrm{29}}^1$

素因数の和:80

約数の個数: 224

約数和(自身を含む): 1195297200

約数和(自身を除く): 789297200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 32, 35, 40, 50, 56, 58, 64, 70, 80, 100, 112, 116, 125, 128, 140, 145, 160, 175, 200, 203, 224, 232, 250, 280, 290, 320, 350, 400, 406, 448, 464, 500, 560, 580, 625, 640, 700, 725, 800, 812, 875, 896, 928, 1000, 1015, 1120, 1160, 1250, 1400, 1450, 1600, 1624, 1750, 1856, 2000, 2030, 2240, 2320, 2500, 2800, 2900, 3125, 3200, 3248, 3500, 3625, 3712, 4000, 4060, 4375, 4480, 4640, 5000, 5075, 5600, 5800, 6250, 6496, 7000, 7250, 8000, 8120, 8750, 9280, 10000, 10150, 11200, 11600, 12500, 12992, 14000, 14500, 15625, 16000, 16240, 17500, 18125, 18560, 20000, 20300, 21875, 22400, 23200, 25000, 25375, 25984, 28000, 29000, 31250, 32480, 35000, 36250, 40000, 40600, 43750, 46400, 50000, 50750, 56000, 58000, 62500, 64960, 70000, 72500, 80000, 81200, 87500, 90625, 92800, 100000, 101500, 109375, 112000, 116000, 125000, 126875, 129920, 140000, 145000, 162400, 175000, 181250, 200000, 203000, 218750, 232000, 250000, 253750, 280000, 290000, 324800, 350000, 362500, 400000, 406000, 437500, 453125, 464000, 500000, 507500, 560000, 580000, 634375, 649600, 700000, 725000, 812000, 875000, 906250, 1000000, 1015000, 1160000, 1268750, 1400000, 1450000, 1624000, 1750000, 1812500, 2000000, 2030000, 2320000, 2537500, 2800000, 2900000, 3171875, 3248000, 3500000, 3625000, 4060000, 5075000, 5800000, 6343750, 7000000, 7250000, 8120000, 10150000, 11600000, 12687500, 14000000, 14500000, 16240000, 20300000, 25375000, 29000000, 40600000, 50750000, 58000000, 81200000, 101500000, 203000000, 406000000]

約数ペア:

[(1, 406000000), (2, 203000000), (4, 101500000), (5, 81200000), (7, 58000000), (8, 50750000), (10, 40600000), (14, 29000000), (16, 25375000), (20, 20300000), (25, 16240000), (28, 14500000), (29, 14000000), (32, 12687500), (35, 11600000), (40, 10150000), (50, 8120000), (56, 7250000), (58, 7000000), (64, 6343750), (70, 5800000), (80, 5075000), (100, 4060000), (112, 3625000), (116, 3500000), (125, 3248000), (128, 3171875), (140, 2900000), (145, 2800000), (160, 2537500), (175, 2320000), (200, 2030000), (203, 2000000), (224, 1812500), (232, 1750000), (250, 1624000), (280, 1450000), (290, 1400000), (320, 1268750), (350, 1160000), (400, 1015000), (406, 1000000), (448, 906250), (464, 875000), (500, 812000), (560, 725000), (580, 700000), (625, 649600), (640, 634375), (700, 580000), (725, 560000), (800, 507500), (812, 500000), (875, 464000), (896, 453125), (928, 437500), (1000, 406000), (1015, 400000), (1120, 362500), (1160, 350000), (1250, 324800), (1400, 290000), (1450, 280000), (1600, 253750), (1624, 250000), (1750, 232000), (1856, 218750), (2000, 203000), (2030, 200000), (2240, 181250), (2320, 175000), (2500, 162400), (2800, 145000), (2900, 140000), (3125, 129920), (3200, 126875), (3248, 125000), (3500, 116000), (3625, 112000), (3712, 109375), (4000, 101500), (4060, 100000), (4375, 92800), (4480, 90625), (4640, 87500), (5000, 81200), (5075, 80000), (5600, 72500), (5800, 70000), (6250, 64960), (6496, 62500), (7000, 58000), (7250, 56000), (8000, 50750), (8120, 50000), (8750, 46400), (9280, 43750), (10000, 40600), (10150, 40000), (11200, 36250), (11600, 35000), (12500, 32480), (12992, 31250), (14000, 29000), (14500, 28000), (15625, 25984), (16000, 25375), (16240, 25000), (17500, 23200), (18125, 22400), (18560, 21875), (20000, 20300)]