90567820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{646913}}^1$

素因数の和:646929

約数の個数: 24

約数和(自身を含む): 217363104

約数和(自身を除く): 126795284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 646913, 1293826, 2587652, 3234565, 4528391, 6469130, 9056782, 12938260, 18113564, 22641955, 45283910, 90567820]

約数ペア:

[(1, 90567820), (2, 45283910), (4, 22641955), (5, 18113564), (7, 12938260), (10, 9056782), (14, 6469130), (20, 4528391), (28, 3234565), (35, 2587652), (70, 1293826), (140, 646913)]