1520742970

素因数分解:

$2^1\times 5^1\times {\mathrm{1901}}^1\times {\mathrm{79997}}^1$

素因数の和:81905

約数の個数: 16

約数和(自身を含む): 2738811528

約数和(自身を除く): 1218068558

約数列:

[1, 2, 5, 10, 1901, 3802, 9505, 19010, 79997, 159994, 399985, 799970, 152074297, 304148594, 760371485, 1520742970]

約数ペア:

[(1, 1520742970), (2, 760371485), (5, 304148594), (10, 152074297), (1901, 799970), (3802, 399985), (9505, 159994), (19010, 79997)]