201644660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{2179}}^1$

素因数の和:2856

約数の個数: 48

約数和(自身を含む): 484901760

約数和(自身を除く): 283257100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 661, 1322, 2179, 2644, 3305, 4358, 4627, 6610, 8716, 9254, 10895, 13220, 15253, 18508, 21790, 23135, 30506, 43580, 46270, 61012, 76265, 92540, 152530, 305060, 1440319, 2880638, 5761276, 7201595, 10082233, 14403190, 20164466, 28806380, 40328932, 50411165, 100822330, 201644660]

約数ペア:

[(1, 201644660), (2, 100822330), (4, 50411165), (5, 40328932), (7, 28806380), (10, 20164466), (14, 14403190), (20, 10082233), (28, 7201595), (35, 5761276), (70, 2880638), (140, 1440319), (661, 305060), (1322, 152530), (2179, 92540), (2644, 76265), (3305, 61012), (4358, 46270), (4627, 43580), (6610, 30506), (8716, 23135), (9254, 21790), (10895, 18508), (13220, 15253)]