42684680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 99809280

約数和(自身を除く): 57124600

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 151, 185, 191, 296, 302, 370, 382, 604, 740, 755, 764, 955, 1208, 1480, 1510, 1528, 1910, 3020, 3820, 5587, 6040, 7067, 7640, 11174, 14134, 22348, 27935, 28268, 28841, 35335, 44696, 55870, 56536, 57682, 70670, 111740, 115364, 141340, 144205, 223480, 230728, 282680, 288410, 576820, 1067117, 1153640, 2134234, 4268468, 5335585, 8536936, 10671170, 21342340, 42684680]

約数ペア:

[(1, 42684680), (2, 21342340), (4, 10671170), (5, 8536936), (8, 5335585), (10, 4268468), (20, 2134234), (37, 1153640), (40, 1067117), (74, 576820), (148, 288410), (151, 282680), (185, 230728), (191, 223480), (296, 144205), (302, 141340), (370, 115364), (382, 111740), (604, 70670), (740, 57682), (755, 56536), (764, 55870), (955, 44696), (1208, 35335), (1480, 28841), (1510, 28268), (1528, 27935), (1910, 22348), (3020, 14134), (3820, 11174), (5587, 7640), (6040, 7067)]