8874740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{63391}}^1$

素因数の和:63407

約数の個数: 24

約数和(自身を含む): 21299712

約数和(自身を除く): 12424972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 63391, 126782, 253564, 316955, 443737, 633910, 887474, 1267820, 1774948, 2218685, 4437370, 8874740]

約数ペア:

[(1, 8874740), (2, 4437370), (4, 2218685), (5, 1774948), (7, 1267820), (10, 887474), (14, 633910), (20, 443737), (28, 316955), (35, 253564), (70, 126782), (140, 63391)]