4457780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11731}}^1$

素因数の和:11759

約数の個数: 24

約数和(自身を含む): 9854880

約数和(自身を除く): 5397100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 11731, 23462, 46924, 58655, 117310, 222889, 234620, 445778, 891556, 1114445, 2228890, 4457780]

約数ペア:

[(1, 4457780), (2, 2228890), (4, 1114445), (5, 891556), (10, 445778), (19, 234620), (20, 222889), (38, 117310), (76, 58655), (95, 46924), (190, 23462), (380, 11731)]