7428140

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2711}}^1$

素因数の和:2857

約数の個数: 24

約数和(自身を含む): 15718752

約数和(自身を除く): 8290612

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2711, 2740, 5422, 10844, 13555, 27110, 54220, 371407, 742814, 1485628, 1857035, 3714070, 7428140]

約数ペア:

[(1, 7428140), (2, 3714070), (4, 1857035), (5, 1485628), (10, 742814), (20, 371407), (137, 54220), (274, 27110), (548, 13555), (685, 10844), (1370, 5422), (2711, 2740)]