68286890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{139361}}^1$

素因数の和:139382

約数の個数: 24

約数和(自身を含む): 142985412

約数和(自身を除く): 74698522

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 139361, 278722, 696805, 975527, 1393610, 1951054, 4877635, 6828689, 9755270, 13657378, 34143445, 68286890]

約数ペア:

[(1, 68286890), (2, 34143445), (5, 13657378), (7, 9755270), (10, 6828689), (14, 4877635), (35, 1951054), (49, 1393610), (70, 975527), (98, 696805), (245, 278722), (490, 139361)]