179980642940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1285576021}}^1$

素因数の和:1285576037

約数の個数: 24

約数和(自身を含む): 431953543392

約数和(自身を除く): 251972900452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1285576021, 2571152042, 5142304084, 6427880105, 8999032147, 12855760210, 17998064294, 25711520420, 35996128588, 44995160735, 89990321470, 179980642940]

約数ペア:

[(1, 179980642940), (2, 89990321470), (4, 44995160735), (5, 35996128588), (7, 25711520420), (10, 17998064294), (14, 12855760210), (20, 8999032147), (28, 6427880105), (35, 5142304084), (70, 2571152042), (140, 1285576021)]