66420340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{3463}}^1$

素因数の和:3616

約数の個数: 48

約数和(自身を含む): 160618752

約数和(自身を除く): 94198412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3463, 3836, 4795, 6926, 9590, 13852, 17315, 19180, 24241, 34630, 48482, 69260, 96964, 121205, 242410, 474431, 484820, 948862, 1897724, 2372155, 3321017, 4744310, 6642034, 9488620, 13284068, 16605085, 33210170, 66420340]

約数ペア:

[(1, 66420340), (2, 33210170), (4, 16605085), (5, 13284068), (7, 9488620), (10, 6642034), (14, 4744310), (20, 3321017), (28, 2372155), (35, 1897724), (70, 948862), (137, 484820), (140, 474431), (274, 242410), (548, 121205), (685, 96964), (959, 69260), (1370, 48482), (1918, 34630), (2740, 24241), (3463, 19180), (3836, 17315), (4795, 13852), (6926, 9590)]