42457780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{111731}}^1$

素因数の和:111759

約数の個数: 24

約数和(自身を含む): 93854880

約数和(自身を除く): 51397100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 111731, 223462, 446924, 558655, 1117310, 2122889, 2234620, 4245778, 8491556, 10614445, 21228890, 42457780]

約数ペア:

[(1, 42457780), (2, 21228890), (4, 10614445), (5, 8491556), (10, 4245778), (19, 2234620), (20, 2122889), (38, 1117310), (76, 558655), (95, 446924), (190, 223462), (380, 111731)]