389422140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{6490369}}^1$

素因数の和:6490381

約数の個数: 24

約数和(自身を含む): 1090382160

約数和(自身を除く): 700960020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 6490369, 12980738, 19471107, 25961476, 32451845, 38942214, 64903690, 77884428, 97355535, 129807380, 194711070, 389422140]

約数ペア:

[(1, 389422140), (2, 194711070), (3, 129807380), (4, 97355535), (5, 77884428), (6, 64903690), (10, 38942214), (12, 32451845), (15, 25961476), (20, 19471107), (30, 12980738), (60, 6490369)]