68729290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{42689}}^1$

素因数の和:42726

約数の個数: 32

約数和(自身を含む): 147536640

約数和(自身を除く): 78807350

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 42689, 85378, 213445, 298823, 426890, 597646, 981847, 1494115, 1963694, 2988230, 4909235, 6872929, 9818470, 13745858, 34364645, 68729290]

約数ペア:

[(1, 68729290), (2, 34364645), (5, 13745858), (7, 9818470), (10, 6872929), (14, 4909235), (23, 2988230), (35, 1963694), (46, 1494115), (70, 981847), (115, 597646), (161, 426890), (230, 298823), (322, 213445), (805, 85378), (1610, 42689)]