54376420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{388403}}^1$

素因数の和:388419

約数の個数: 24

約数和(自身を含む): 130503744

約数和(自身を除く): 76127324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 388403, 776806, 1553612, 1942015, 2718821, 3884030, 5437642, 7768060, 10875284, 13594105, 27188210, 54376420]

約数ペア:

[(1, 54376420), (2, 27188210), (4, 13594105), (5, 10875284), (7, 7768060), (10, 5437642), (14, 3884030), (20, 2718821), (28, 1942015), (35, 1553612), (70, 776806), (140, 388403)]