79306780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{857}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 190846656

約数和(自身を除く): 111539876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 661, 857, 1322, 1714, 2644, 3305, 3428, 4285, 4627, 5999, 6610, 8570, 9254, 11998, 13220, 17140, 18508, 23135, 23996, 29995, 46270, 59990, 92540, 119980, 566477, 1132954, 2265908, 2832385, 3965339, 5664770, 7930678, 11329540, 15861356, 19826695, 39653390, 79306780]

約数ペア:

[(1, 79306780), (2, 39653390), (4, 19826695), (5, 15861356), (7, 11329540), (10, 7930678), (14, 5664770), (20, 3965339), (28, 2832385), (35, 2265908), (70, 1132954), (140, 566477), (661, 119980), (857, 92540), (1322, 59990), (1714, 46270), (2644, 29995), (3305, 23996), (3428, 23135), (4285, 18508), (4627, 17140), (5999, 13220), (6610, 11998), (8570, 9254)]