271685540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{3889}}^1$

素因数の和:4404

約数の個数: 48

約数和(自身を含む): 653520000

約数和(自身を除く): 381834460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 499, 998, 1996, 2495, 3493, 3889, 4990, 6986, 7778, 9980, 13972, 15556, 17465, 19445, 27223, 34930, 38890, 54446, 69860, 77780, 108892, 136115, 272230, 544460, 1940611, 3881222, 7762444, 9703055, 13584277, 19406110, 27168554, 38812220, 54337108, 67921385, 135842770, 271685540]

約数ペア:

[(1, 271685540), (2, 135842770), (4, 67921385), (5, 54337108), (7, 38812220), (10, 27168554), (14, 19406110), (20, 13584277), (28, 9703055), (35, 7762444), (70, 3881222), (140, 1940611), (499, 544460), (998, 272230), (1996, 136115), (2495, 108892), (3493, 77780), (3889, 69860), (4990, 54446), (6986, 38890), (7778, 34930), (9980, 27223), (13972, 19445), (15556, 17465)]