290240

素因数分解:

$2^6\times 5^1\times {\mathrm{907}}^1$

素因数の和:924

約数の個数: 28

約数和(自身を含む): 691896

約数和(自身を除く): 401656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 907, 1814, 3628, 4535, 7256, 9070, 14512, 18140, 29024, 36280, 58048, 72560, 145120, 290240]

約数ペア:

[(1, 290240), (2, 145120), (4, 72560), (5, 58048), (8, 36280), (10, 29024), (16, 18140), (20, 14512), (32, 9070), (40, 7256), (64, 4535), (80, 3628), (160, 1814), (320, 907)]