3980270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{8123}}^1$

素因数の和:8144

約数の個数: 24

約数和(自身を含む): 8335224

約数和(自身を除く): 4354954

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 8123, 16246, 40615, 56861, 81230, 113722, 284305, 398027, 568610, 796054, 1990135, 3980270]

約数ペア:

[(1, 3980270), (2, 1990135), (5, 796054), (7, 568610), (10, 398027), (14, 284305), (35, 113722), (49, 81230), (70, 56861), (98, 40615), (245, 16246), (490, 8123)]