128266460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{916189}}^1$

素因数の和:916205

約数の個数: 24

約数和(自身を含む): 307839840

約数和(自身を除く): 179573380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 916189, 1832378, 3664756, 4580945, 6413323, 9161890, 12826646, 18323780, 25653292, 32066615, 64133230, 128266460]

約数ペア:

[(1, 128266460), (2, 64133230), (4, 32066615), (5, 25653292), (7, 18323780), (10, 12826646), (14, 9161890), (20, 6413323), (28, 4580945), (35, 3664756), (70, 1832378), (140, 916189)]