81046490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{857}}^1$

素因数の和:1071

約数の個数: 48

約数和(自身を含む): 170779752

約数和(自身を除く): 89733262

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 193, 245, 386, 490, 857, 965, 1351, 1714, 1930, 2702, 4285, 5999, 6755, 8570, 9457, 11998, 13510, 18914, 29995, 41993, 47285, 59990, 83986, 94570, 165401, 209965, 330802, 419930, 827005, 1157807, 1654010, 2315614, 5789035, 8104649, 11578070, 16209298, 40523245, 81046490]

約数ペア:

[(1, 81046490), (2, 40523245), (5, 16209298), (7, 11578070), (10, 8104649), (14, 5789035), (35, 2315614), (49, 1654010), (70, 1157807), (98, 827005), (193, 419930), (245, 330802), (386, 209965), (490, 165401), (857, 94570), (965, 83986), (1351, 59990), (1714, 47285), (1930, 41993), (2702, 29995), (4285, 18914), (5999, 13510), (6755, 11998), (8570, 9457)]