55991740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{399941}}^1$

素因数の和:399957

約数の個数: 24

約数和(自身を含む): 134380512

約数和(自身を除く): 78388772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 399941, 799882, 1599764, 1999705, 2799587, 3999410, 5599174, 7998820, 11198348, 13997935, 27995870, 55991740]

約数ペア:

[(1, 55991740), (2, 27995870), (4, 13997935), (5, 11198348), (7, 7998820), (10, 5599174), (14, 3999410), (20, 2799587), (28, 1999705), (35, 1599764), (70, 799882), (140, 399941)]