221720670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{4937}}^1$

素因数の和:5449

約数の個数: 48

約数和(自身を含む): 577746000

約数和(自身を除く): 356025330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 499, 998, 1497, 2495, 2994, 4491, 4937, 4990, 7485, 8982, 9874, 14811, 14970, 22455, 24685, 29622, 44433, 44910, 49370, 74055, 88866, 148110, 222165, 444330, 2463563, 4927126, 7390689, 12317815, 14781378, 22172067, 24635630, 36953445, 44344134, 73906890, 110860335, 221720670]

約数ペア:

[(1, 221720670), (2, 110860335), (3, 73906890), (5, 44344134), (6, 36953445), (9, 24635630), (10, 22172067), (15, 14781378), (18, 12317815), (30, 7390689), (45, 4927126), (90, 2463563), (499, 444330), (998, 222165), (1497, 148110), (2495, 88866), (2994, 74055), (4491, 49370), (4937, 44910), (4990, 44433), (7485, 29622), (8982, 24685), (9874, 22455), (14811, 14970)]