12837860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{857}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 31135104

約数和(自身を除く): 18297244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 857, 1070, 1498, 1714, 2140, 2996, 3428, 3745, 4285, 5999, 7490, 8570, 11998, 14980, 17140, 23996, 29995, 59990, 91699, 119980, 183398, 366796, 458495, 641893, 916990, 1283786, 1833980, 2567572, 3209465, 6418930, 12837860]

約数ペア:

[(1, 12837860), (2, 6418930), (4, 3209465), (5, 2567572), (7, 1833980), (10, 1283786), (14, 916990), (20, 641893), (28, 458495), (35, 366796), (70, 183398), (107, 119980), (140, 91699), (214, 59990), (428, 29995), (535, 23996), (749, 17140), (857, 14980), (1070, 11998), (1498, 8570), (1714, 7490), (2140, 5999), (2996, 4285), (3428, 3745)]