31430000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{449}}^1$

素因数の和:484

約数の個数: 100

約数和(自身を含む): 87159600

約数和(自身を除く): 55729600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 449, 500, 560, 625, 700, 875, 898, 1000, 1250, 1400, 1750, 1796, 2000, 2245, 2500, 2800, 3143, 3500, 3592, 4375, 4490, 5000, 6286, 7000, 7184, 8750, 8980, 10000, 11225, 12572, 14000, 15715, 17500, 17960, 22450, 25144, 31430, 35000, 35920, 44900, 50288, 56125, 62860, 70000, 78575, 89800, 112250, 125720, 157150, 179600, 224500, 251440, 280625, 314300, 392875, 449000, 561250, 628600, 785750, 898000, 1122500, 1257200, 1571500, 1964375, 2245000, 3143000, 3928750, 4490000, 6286000, 7857500, 15715000, 31430000]

約数ペア:

[(1, 31430000), (2, 15715000), (4, 7857500), (5, 6286000), (7, 4490000), (8, 3928750), (10, 3143000), (14, 2245000), (16, 1964375), (20, 1571500), (25, 1257200), (28, 1122500), (35, 898000), (40, 785750), (50, 628600), (56, 561250), (70, 449000), (80, 392875), (100, 314300), (112, 280625), (125, 251440), (140, 224500), (175, 179600), (200, 157150), (250, 125720), (280, 112250), (350, 89800), (400, 78575), (449, 70000), (500, 62860), (560, 56125), (625, 50288), (700, 44900), (875, 35920), (898, 35000), (1000, 31430), (1250, 25144), (1400, 22450), (1750, 17960), (1796, 17500), (2000, 15715), (2245, 14000), (2500, 12572), (2800, 11225), (3143, 10000), (3500, 8980), (3592, 8750), (4375, 7184), (4490, 7000), (5000, 6286)]