199825640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{713663}}^1$

素因数の和:713681

約数の個数: 32

約数和(自身を含む): 513838080

約数和(自身を除く): 314012440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 713663, 1427326, 2854652, 3568315, 4995641, 5709304, 7136630, 9991282, 14273260, 19982564, 24978205, 28546520, 39965128, 49956410, 99912820, 199825640]

約数ペア:

[(1, 199825640), (2, 99912820), (4, 49956410), (5, 39965128), (7, 28546520), (8, 24978205), (10, 19982564), (14, 14273260), (20, 9991282), (28, 7136630), (35, 5709304), (40, 4995641), (56, 3568315), (70, 2854652), (140, 1427326), (280, 713663)]