1639476860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11710549}}^1$

素因数の和:11710565

約数の個数: 24

約数和(自身を含む): 3934744800

約数和(自身を除く): 2295267940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11710549, 23421098, 46842196, 58552745, 81973843, 117105490, 163947686, 234210980, 327895372, 409869215, 819738430, 1639476860]

約数ペア:

[(1, 1639476860), (2, 819738430), (4, 409869215), (5, 327895372), (7, 234210980), (10, 163947686), (14, 117105490), (20, 81973843), (28, 58552745), (35, 46842196), (70, 23421098), (140, 11710549)]