74138960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{18913}}^1$

素因数の和:18940

約数の個数: 60

約数和(自身を含む): 200526228

約数和(自身を除く): 126387268

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 18913, 37826, 75652, 94565, 132391, 151304, 189130, 264782, 302608, 378260, 529564, 661955, 756520, 926737, 1059128, 1323910, 1513040, 1853474, 2118256, 2647820, 3706948, 4633685, 5295640, 7413896, 9267370, 10591280, 14827792, 18534740, 37069480, 74138960]

約数ペア:

[(1, 74138960), (2, 37069480), (4, 18534740), (5, 14827792), (7, 10591280), (8, 9267370), (10, 7413896), (14, 5295640), (16, 4633685), (20, 3706948), (28, 2647820), (35, 2118256), (40, 1853474), (49, 1513040), (56, 1323910), (70, 1059128), (80, 926737), (98, 756520), (112, 661955), (140, 529564), (196, 378260), (245, 302608), (280, 264782), (392, 189130), (490, 151304), (560, 132391), (784, 94565), (980, 75652), (1960, 37826), (3920, 18913)]