164839780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1177427}}^1$

素因数の和:1177443

約数の個数: 24

約数和(自身を含む): 395615808

約数和(自身を除く): 230776028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1177427, 2354854, 4709708, 5887135, 8241989, 11774270, 16483978, 23548540, 32967956, 41209945, 82419890, 164839780]

約数ペア:

[(1, 164839780), (2, 82419890), (4, 41209945), (5, 32967956), (7, 23548540), (10, 16483978), (14, 11774270), (20, 8241989), (28, 5887135), (35, 4709708), (70, 2354854), (140, 1177427)]