3199780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1151}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 6773760

約数和(自身を除く): 3573980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1151, 1390, 2302, 2780, 4604, 5755, 11510, 23020, 159989, 319978, 639956, 799945, 1599890, 3199780]

約数ペア:

[(1, 3199780), (2, 1599890), (4, 799945), (5, 639956), (10, 319978), (20, 159989), (139, 23020), (278, 11510), (556, 5755), (695, 4604), (1151, 2780), (1390, 2302)]