139602820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{997163}}^1$

素因数の和:997179

約数の個数: 24

約数和(自身を含む): 335047104

約数和(自身を除く): 195444284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 997163, 1994326, 3988652, 4985815, 6980141, 9971630, 13960282, 19943260, 27920564, 34900705, 69801410, 139602820]

約数ペア:

[(1, 139602820), (2, 69801410), (4, 34900705), (5, 27920564), (7, 19943260), (10, 13960282), (14, 9971630), (20, 6980141), (28, 4985815), (35, 3988652), (70, 1994326), (140, 997163)]