254562140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{3361}}^1$

素因数の和:3918

約数の個数: 48

約数和(自身を含む): 612260544

約数和(自身を除く): 357698404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 541, 1082, 2164, 2705, 3361, 3787, 5410, 6722, 7574, 10820, 13444, 15148, 16805, 18935, 23527, 33610, 37870, 47054, 67220, 75740, 94108, 117635, 235270, 470540, 1818301, 3636602, 7273204, 9091505, 12728107, 18183010, 25456214, 36366020, 50912428, 63640535, 127281070, 254562140]

約数ペア:

[(1, 254562140), (2, 127281070), (4, 63640535), (5, 50912428), (7, 36366020), (10, 25456214), (14, 18183010), (20, 12728107), (28, 9091505), (35, 7273204), (70, 3636602), (140, 1818301), (541, 470540), (1082, 235270), (2164, 117635), (2705, 94108), (3361, 75740), (3787, 67220), (5410, 47054), (6722, 37870), (7574, 33610), (10820, 23527), (13444, 18935), (15148, 16805)]