85291780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{609227}}^1$

素因数の和:609243

約数の個数: 24

約数和(自身を含む): 204700608

約数和(自身を除く): 119408828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 609227, 1218454, 2436908, 3046135, 4264589, 6092270, 8529178, 12184540, 17058356, 21322945, 42645890, 85291780]

約数ペア:

[(1, 85291780), (2, 42645890), (4, 21322945), (5, 17058356), (7, 12184540), (10, 8529178), (14, 6092270), (20, 4264589), (28, 3046135), (35, 2436908), (70, 1218454), (140, 609227)]