142801820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1020013}}^1$

素因数の和:1020029

約数の個数: 24

約数和(自身を含む): 342724704

約数和(自身を除く): 199922884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1020013, 2040026, 4080052, 5100065, 7140091, 10200130, 14280182, 20400260, 28560364, 35700455, 71400910, 142801820]

約数ペア:

[(1, 142801820), (2, 71400910), (4, 35700455), (5, 28560364), (7, 20400260), (10, 14280182), (14, 10200130), (20, 7140091), (28, 5100065), (35, 4080052), (70, 2040026), (140, 1020013)]