3138220

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{907}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 6635664

約数和(自身を除く): 3497444

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 907, 1730, 1814, 3460, 3628, 4535, 9070, 18140, 156911, 313822, 627644, 784555, 1569110, 3138220]

約数ペア:

[(1, 3138220), (2, 1569110), (4, 784555), (5, 627644), (10, 313822), (20, 156911), (173, 18140), (346, 9070), (692, 4535), (865, 3628), (907, 3460), (1730, 1814)]