200971880

素因数分解:

$2^3\times 5^1\times {\mathrm{727}}^1\times {\mathrm{6911}}^1$

素因数の和:7649

約数の個数: 32

約数和(自身を含む): 452874240

約数和(自身を除く): 251902360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 727, 1454, 2908, 3635, 5816, 6911, 7270, 13822, 14540, 27644, 29080, 34555, 55288, 69110, 138220, 276440, 5024297, 10048594, 20097188, 25121485, 40194376, 50242970, 100485940, 200971880]

約数ペア:

[(1, 200971880), (2, 100485940), (4, 50242970), (5, 40194376), (8, 25121485), (10, 20097188), (20, 10048594), (40, 5024297), (727, 276440), (1454, 138220), (2908, 69110), (3635, 55288), (5816, 34555), (6911, 29080), (7270, 27644), (13822, 14540)]