187507990

素因数分解:

$2^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{38189}}^1$

素因数の和:38687

約数の個数: 16

約数和(自身を含む): 338210640

約数和(自身を除く): 150702650

約数列:

[1, 2, 5, 10, 491, 982, 2455, 4910, 38189, 76378, 190945, 381890, 18750799, 37501598, 93753995, 187507990]

約数ペア:

[(1, 187507990), (2, 93753995), (5, 37501598), (10, 18750799), (491, 381890), (982, 190945), (2455, 76378), (4910, 38189)]