71187340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1019}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 171360000

約数和(自身を除く): 100172660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 499, 998, 1019, 1996, 2038, 2495, 3493, 4076, 4990, 5095, 6986, 7133, 9980, 10190, 13972, 14266, 17465, 20380, 28532, 34930, 35665, 69860, 71330, 142660, 508481, 1016962, 2033924, 2542405, 3559367, 5084810, 7118734, 10169620, 14237468, 17796835, 35593670, 71187340]

約数ペア:

[(1, 71187340), (2, 35593670), (4, 17796835), (5, 14237468), (7, 10169620), (10, 7118734), (14, 5084810), (20, 3559367), (28, 2542405), (35, 2033924), (70, 1016962), (140, 508481), (499, 142660), (998, 71330), (1019, 69860), (1996, 35665), (2038, 34930), (2495, 28532), (3493, 20380), (4076, 17465), (4990, 14266), (5095, 13972), (6986, 10190), (7133, 9980)]