180370820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1288363}}^1$

素因数の和:1288379

約数の個数: 24

約数和(自身を含む): 432890304

約数和(自身を除く): 252519484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1288363, 2576726, 5153452, 6441815, 9018541, 12883630, 18037082, 25767260, 36074164, 45092705, 90185410, 180370820]

約数ペア:

[(1, 180370820), (2, 90185410), (4, 45092705), (5, 36074164), (7, 25767260), (10, 18037082), (14, 12883630), (20, 9018541), (28, 6441815), (35, 5153452), (70, 2576726), (140, 1288363)]