61508860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{439349}}^1$

素因数の和:439365

約数の個数: 24

約数和(自身を含む): 147621600

約数和(自身を除く): 86112740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 439349, 878698, 1757396, 2196745, 3075443, 4393490, 6150886, 8786980, 12301772, 15377215, 30754430, 61508860]

約数ペア:

[(1, 61508860), (2, 30754430), (4, 15377215), (5, 12301772), (7, 8786980), (10, 6150886), (14, 4393490), (20, 3075443), (28, 2196745), (35, 1757396), (70, 878698), (140, 439349)]