2686180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2741}}^1$

素因数の和:2764

約数の個数: 36

約数和(自身を含む): 6564348

約数和(自身を除く): 3878168

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2741, 5482, 10964, 13705, 19187, 27410, 38374, 54820, 76748, 95935, 134309, 191870, 268618, 383740, 537236, 671545, 1343090, 2686180]

約数ペア:

[(1, 2686180), (2, 1343090), (4, 671545), (5, 537236), (7, 383740), (10, 268618), (14, 191870), (20, 134309), (28, 95935), (35, 76748), (49, 54820), (70, 38374), (98, 27410), (140, 19187), (196, 13705), (245, 10964), (490, 5482), (980, 2741)]