198444820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1417463}}^1$

素因数の和:1417479

約数の個数: 24

約数和(自身を含む): 476267904

約数和(自身を除く): 277823084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1417463, 2834926, 5669852, 7087315, 9922241, 14174630, 19844482, 28349260, 39688964, 49611205, 99222410, 198444820]

約数ペア:

[(1, 198444820), (2, 99222410), (4, 49611205), (5, 39688964), (7, 28349260), (10, 19844482), (14, 14174630), (20, 9922241), (28, 7087315), (35, 5669852), (70, 2834926), (140, 1417463)]