61788860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{441349}}^1$

素因数の和:441365

約数の個数: 24

約数和(自身を含む): 148293600

約数和(自身を除く): 86504740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 441349, 882698, 1765396, 2206745, 3089443, 4413490, 6178886, 8826980, 12357772, 15447215, 30894430, 61788860]

約数ペア:

[(1, 61788860), (2, 30894430), (4, 15447215), (5, 12357772), (7, 8826980), (10, 6178886), (14, 4413490), (20, 3089443), (28, 2206745), (35, 1765396), (70, 882698), (140, 441349)]