3972620

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1429}}^1$

素因数の和:1577

約数の個数: 24

約数和(自身を含む): 8408400

約数和(自身を除く): 4435780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 1429, 2780, 2858, 5716, 7145, 14290, 28580, 198631, 397262, 794524, 993155, 1986310, 3972620]

約数ペア:

[(1, 3972620), (2, 1986310), (4, 993155), (5, 794524), (10, 397262), (20, 198631), (139, 28580), (278, 14290), (556, 7145), (695, 5716), (1390, 2858), (1429, 2780)]