68268620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{857}}^1$

素因数の和:1442

約数の個数: 48

約数和(自身を含む): 164324160

約数和(自身を除く): 96055540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 569, 857, 1138, 1714, 2276, 2845, 3428, 3983, 4285, 5690, 5999, 7966, 8570, 11380, 11998, 15932, 17140, 19915, 23996, 29995, 39830, 59990, 79660, 119980, 487633, 975266, 1950532, 2438165, 3413431, 4876330, 6826862, 9752660, 13653724, 17067155, 34134310, 68268620]

約数ペア:

[(1, 68268620), (2, 34134310), (4, 17067155), (5, 13653724), (7, 9752660), (10, 6826862), (14, 4876330), (20, 3413431), (28, 2438165), (35, 1950532), (70, 975266), (140, 487633), (569, 119980), (857, 79660), (1138, 59990), (1714, 39830), (2276, 29995), (2845, 23996), (3428, 19915), (3983, 17140), (4285, 15932), (5690, 11998), (5999, 11380), (7966, 8570)]