201656420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1440403}}^1$

素因数の和:1440419

約数の個数: 24

約数和(自身を含む): 483975744

約数和(自身を除く): 282319324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1440403, 2880806, 5761612, 7202015, 10082821, 14404030, 20165642, 28808060, 40331284, 50414105, 100828210, 201656420]

約数ペア:

[(1, 201656420), (2, 100828210), (4, 50414105), (5, 40331284), (7, 28808060), (10, 20165642), (14, 14404030), (20, 10082821), (28, 7202015), (35, 5761612), (70, 2880806), (140, 1440403)]