157150000

素因数分解:

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

素因数の和:489

約数の個数: 120

約数和(自身を含む): 435909600

約数和(自身を除く): 278759600

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, 3125, 3143, 3500, 3592, 4375, 4490, 5000, 6250, 6286, 7000, 7184, 8750, 8980, 10000, 11225, 12500, 12572, 14000, 15715, 17500, 17960, 21875, 22450, 25000, 25144, 31430, 35000, 35920, 43750, 44900, 50000, 50288, 56125, 62860, 70000, 78575, 87500, 89800, 112250, 125720, 157150, 175000, 179600, 224500, 251440, 280625, 314300, 350000, 392875, 449000, 561250, 628600, 785750, 898000, 1122500, 1257200, 1403125, 1571500, 1964375, 2245000, 2806250, 3143000, 3928750, 4490000, 5612500, 6286000, 7857500, 9821875, 11225000, 15715000, 19643750, 22450000, 31430000, 39287500, 78575000, 157150000]

約数ペア:

[(1, 157150000), (2, 78575000), (4, 39287500), (5, 31430000), (7, 22450000), (8, 19643750), (10, 15715000), (14, 11225000), (16, 9821875), (20, 7857500), (25, 6286000), (28, 5612500), (35, 4490000), (40, 3928750), (50, 3143000), (56, 2806250), (70, 2245000), (80, 1964375), (100, 1571500), (112, 1403125), (125, 1257200), (140, 1122500), (175, 898000), (200, 785750), (250, 628600), (280, 561250), (350, 449000), (400, 392875), (449, 350000), (500, 314300), (560, 280625), (625, 251440), (700, 224500), (875, 179600), (898, 175000), (1000, 157150), (1250, 125720), (1400, 112250), (1750, 89800), (1796, 87500), (2000, 78575), (2245, 70000), (2500, 62860), (2800, 56125), (3125, 50288), (3143, 50000), (3500, 44900), (3592, 43750), (4375, 35920), (4490, 35000), (5000, 31430), (6250, 25144), (6286, 25000), (7000, 22450), (7184, 21875), (8750, 17960), (8980, 17500), (10000, 15715), (11225, 14000), (12500, 12572)]