137909060

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{77477}}^1$

素因数の和:77575

約数の個数: 24

約数和(自身を含む): 292866840

約数和(自身を除く): 154957780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 77477, 154954, 309908, 387385, 774770, 1549540, 6895453, 13790906, 27581812, 34477265, 68954530, 137909060]

約数ペア:

[(1, 137909060), (2, 68954530), (4, 34477265), (5, 27581812), (10, 13790906), (20, 6895453), (89, 1549540), (178, 774770), (356, 387385), (445, 309908), (890, 154954), (1780, 77477)]