340693640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1216763}}^1$

素因数の和:1216781

約数の個数: 32

約数和(自身を含む): 876070080

約数和(自身を除く): 535376440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1216763, 2433526, 4867052, 6083815, 8517341, 9734104, 12167630, 17034682, 24335260, 34069364, 42586705, 48670520, 68138728, 85173410, 170346820, 340693640]

約数ペア:

[(1, 340693640), (2, 170346820), (4, 85173410), (5, 68138728), (7, 48670520), (8, 42586705), (10, 34069364), (14, 24335260), (20, 17034682), (28, 12167630), (35, 9734104), (40, 8517341), (56, 6083815), (70, 4867052), (140, 2433526), (280, 1216763)]