654340820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4673863}}^1$

素因数の和:4673879

約数の個数: 24

約数和(自身を含む): 1570418304

約数和(自身を除く): 916077484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4673863, 9347726, 18695452, 23369315, 32717041, 46738630, 65434082, 93477260, 130868164, 163585205, 327170410, 654340820]

約数ペア:

[(1, 654340820), (2, 327170410), (4, 163585205), (5, 130868164), (7, 93477260), (10, 65434082), (14, 46738630), (20, 32717041), (28, 23369315), (35, 18695452), (70, 9347726), (140, 4673863)]