74397740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{86509}}^1$

素因数の和:86561

約数の個数: 24

約数和(自身を含む): 159870480

約数和(自身を除く): 85472740

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 86509, 173018, 346036, 432545, 865090, 1730180, 3719887, 7439774, 14879548, 18599435, 37198870, 74397740]

約数ペア:

[(1, 74397740), (2, 37198870), (4, 18599435), (5, 14879548), (10, 7439774), (20, 3719887), (43, 1730180), (86, 865090), (172, 432545), (215, 346036), (430, 173018), (860, 86509)]