1920940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13721}}^1$

素因数の和:13737

約数の個数: 24

約数和(自身を含む): 4610592

約数和(自身を除く): 2689652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 13721, 27442, 54884, 68605, 96047, 137210, 192094, 274420, 384188, 480235, 960470, 1920940]

約数ペア:

[(1, 1920940), (2, 960470), (4, 480235), (5, 384188), (7, 274420), (10, 192094), (14, 137210), (20, 96047), (28, 68605), (35, 54884), (70, 27442), (140, 13721)]