139252820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{994663}}^1$

素因数の和:994679

約数の個数: 24

約数和(自身を含む): 334207104

約数和(自身を除く): 194954284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 994663, 1989326, 3978652, 4973315, 6962641, 9946630, 13925282, 19893260, 27850564, 34813205, 69626410, 139252820]

約数ペア:

[(1, 139252820), (2, 69626410), (4, 34813205), (5, 27850564), (7, 19893260), (10, 13925282), (14, 9946630), (20, 6962641), (28, 4973315), (35, 3978652), (70, 1989326), (140, 994663)]