149744420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1069603}}^1$

素因数の和:1069619

約数の個数: 24

約数和(自身を含む): 359386944

約数和(自身を除く): 209642524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1069603, 2139206, 4278412, 5348015, 7487221, 10696030, 14974442, 21392060, 29948884, 37436105, 74872210, 149744420]

約数ペア:

[(1, 149744420), (2, 74872210), (4, 37436105), (5, 29948884), (7, 21392060), (10, 14974442), (14, 10696030), (20, 7487221), (28, 5348015), (35, 4278412), (70, 2139206), (140, 1069603)]