188689480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{673891}}^1$

素因数の和:673909

約数の個数: 32

約数和(自身を含む): 485202240

約数和(自身を除く): 296512760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 673891, 1347782, 2695564, 3369455, 4717237, 5391128, 6738910, 9434474, 13477820, 18868948, 23586185, 26955640, 37737896, 47172370, 94344740, 188689480]

約数ペア:

[(1, 188689480), (2, 94344740), (4, 47172370), (5, 37737896), (7, 26955640), (8, 23586185), (10, 18868948), (14, 13477820), (20, 9434474), (28, 6738910), (35, 5391128), (40, 4717237), (56, 3369455), (70, 2695564), (140, 1347782), (280, 673891)]