305200000

素因数分解:

$2^7\times 5^5\times 7^1\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 192

約数和(自身を含む): 876506400

約数和(自身を除く): 571306400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 109, 112, 125, 128, 140, 160, 175, 200, 218, 224, 250, 280, 320, 350, 400, 436, 448, 500, 545, 560, 625, 640, 700, 763, 800, 872, 875, 896, 1000, 1090, 1120, 1250, 1400, 1526, 1600, 1744, 1750, 2000, 2180, 2240, 2500, 2725, 2800, 3052, 3125, 3200, 3488, 3500, 3815, 4000, 4360, 4375, 4480, 5000, 5450, 5600, 6104, 6250, 6976, 7000, 7630, 8000, 8720, 8750, 10000, 10900, 11200, 12208, 12500, 13625, 13952, 14000, 15260, 16000, 17440, 17500, 19075, 20000, 21800, 21875, 22400, 24416, 25000, 27250, 28000, 30520, 34880, 35000, 38150, 40000, 43600, 43750, 48832, 50000, 54500, 56000, 61040, 68125, 69760, 70000, 76300, 80000, 87200, 87500, 95375, 97664, 100000, 109000, 112000, 122080, 136250, 140000, 152600, 174400, 175000, 190750, 200000, 218000, 244160, 272500, 280000, 305200, 340625, 348800, 350000, 381500, 400000, 436000, 476875, 488320, 545000, 560000, 610400, 681250, 700000, 763000, 872000, 953750, 1090000, 1220800, 1362500, 1400000, 1526000, 1744000, 1907500, 2180000, 2384375, 2441600, 2725000, 2800000, 3052000, 3815000, 4360000, 4768750, 5450000, 6104000, 7630000, 8720000, 9537500, 10900000, 12208000, 15260000, 19075000, 21800000, 30520000, 38150000, 43600000, 61040000, 76300000, 152600000, 305200000]

約数ペア:

[(1, 305200000), (2, 152600000), (4, 76300000), (5, 61040000), (7, 43600000), (8, 38150000), (10, 30520000), (14, 21800000), (16, 19075000), (20, 15260000), (25, 12208000), (28, 10900000), (32, 9537500), (35, 8720000), (40, 7630000), (50, 6104000), (56, 5450000), (64, 4768750), (70, 4360000), (80, 3815000), (100, 3052000), (109, 2800000), (112, 2725000), (125, 2441600), (128, 2384375), (140, 2180000), (160, 1907500), (175, 1744000), (200, 1526000), (218, 1400000), (224, 1362500), (250, 1220800), (280, 1090000), (320, 953750), (350, 872000), (400, 763000), (436, 700000), (448, 681250), (500, 610400), (545, 560000), (560, 545000), (625, 488320), (640, 476875), (700, 436000), (763, 400000), (800, 381500), (872, 350000), (875, 348800), (896, 340625), (1000, 305200), (1090, 280000), (1120, 272500), (1250, 244160), (1400, 218000), (1526, 200000), (1600, 190750), (1744, 175000), (1750, 174400), (2000, 152600), (2180, 140000), (2240, 136250), (2500, 122080), (2725, 112000), (2800, 109000), (3052, 100000), (3125, 97664), (3200, 95375), (3488, 87500), (3500, 87200), (3815, 80000), (4000, 76300), (4360, 70000), (4375, 69760), (4480, 68125), (5000, 61040), (5450, 56000), (5600, 54500), (6104, 50000), (6250, 48832), (6976, 43750), (7000, 43600), (7630, 40000), (8000, 38150), (8720, 35000), (8750, 34880), (10000, 30520), (10900, 28000), (11200, 27250), (12208, 25000), (12500, 24416), (13625, 22400), (13952, 21875), (14000, 21800), (15260, 20000), (16000, 19075), (17440, 17500)]