844702940

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{394721}}^1$

素因数の和:394837

約数の個数: 24

約数和(自身を含む): 1790458992

約数和(自身を除く): 945756052

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 394721, 789442, 1578884, 1973605, 3947210, 7894420, 42235147, 84470294, 168940588, 211175735, 422351470, 844702940]

約数ペア:

[(1, 844702940), (2, 422351470), (4, 211175735), (5, 168940588), (10, 84470294), (20, 42235147), (107, 7894420), (214, 3947210), (428, 1973605), (535, 1578884), (1070, 789442), (2140, 394721)]