388795540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2777111}}^1$

素因数の和:2777127

約数の個数: 24

約数和(自身を含む): 933109632

約数和(自身を除く): 544314092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2777111, 5554222, 11108444, 13885555, 19439777, 27771110, 38879554, 55542220, 77759108, 97198885, 194397770, 388795540]

約数ペア:

[(1, 388795540), (2, 194397770), (4, 97198885), (5, 77759108), (7, 55542220), (10, 38879554), (14, 27771110), (20, 19439777), (28, 13885555), (35, 11108444), (70, 5554222), (140, 2777111)]