128341580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{337741}}^1$

素因数の和:337769

約数の個数: 24

約数和(自身を含む): 283703280

約数和(自身を除く): 155361700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 337741, 675482, 1350964, 1688705, 3377410, 6417079, 6754820, 12834158, 25668316, 32085395, 64170790, 128341580]

約数ペア:

[(1, 128341580), (2, 64170790), (4, 32085395), (5, 25668316), (10, 12834158), (19, 6754820), (20, 6417079), (38, 3377410), (76, 1688705), (95, 1350964), (190, 675482), (380, 337741)]