68278280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{243851}}^1$

素因数の和:243869

約数の個数: 32

約数和(自身を含む): 175573440

約数和(自身を除く): 107295160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 243851, 487702, 975404, 1219255, 1706957, 1950808, 2438510, 3413914, 4877020, 6827828, 8534785, 9754040, 13655656, 17069570, 34139140, 68278280]

約数ペア:

[(1, 68278280), (2, 34139140), (4, 17069570), (5, 13655656), (7, 9754040), (8, 8534785), (10, 6827828), (14, 4877020), (20, 3413914), (28, 2438510), (35, 1950808), (40, 1706957), (56, 1219255), (70, 975404), (140, 487702), (280, 243851)]