256770710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{811}}^1\times {\mathrm{4523}}^1$

素因数の和:5348

約数の個数: 32

約数和(自身を含む): 528982272

約数和(自身を除く): 272211562

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 811, 1622, 4055, 4523, 5677, 8110, 9046, 11354, 22615, 28385, 31661, 45230, 56770, 63322, 158305, 316610, 3668153, 7336306, 18340765, 25677071, 36681530, 51354142, 128385355, 256770710]

約数ペア:

[(1, 256770710), (2, 128385355), (5, 51354142), (7, 36681530), (10, 25677071), (14, 18340765), (35, 7336306), (70, 3668153), (811, 316610), (1622, 158305), (4055, 63322), (4523, 56770), (5677, 45230), (8110, 31661), (9046, 28385), (11354, 22615)]