142404290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{290621}}^1$

素因数の和:290642

約数の個数: 24

約数和(自身を含む): 298178172

約数和(自身を除く): 155773882

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 290621, 581242, 1453105, 2034347, 2906210, 4068694, 10171735, 14240429, 20343470, 28480858, 71202145, 142404290]

約数ペア:

[(1, 142404290), (2, 71202145), (5, 28480858), (7, 20343470), (10, 14240429), (14, 10171735), (35, 4068694), (49, 2906210), (70, 2034347), (98, 1453105), (245, 581242), (490, 290621)]