2149041020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2192899}}^1$

素因数の和:2192922

約数の個数: 36

約数和(自身を含む): 5249802600

約数和(自身を除く): 3100761580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2192899, 4385798, 8771596, 10964495, 15350293, 21928990, 30700586, 43857980, 61401172, 76751465, 107452051, 153502930, 214904102, 307005860, 429808204, 537260255, 1074520510, 2149041020]

約数ペア:

[(1, 2149041020), (2, 1074520510), (4, 537260255), (5, 429808204), (7, 307005860), (10, 214904102), (14, 153502930), (20, 107452051), (28, 76751465), (35, 61401172), (49, 43857980), (70, 30700586), (98, 21928990), (140, 15350293), (196, 10964495), (245, 8771596), (490, 4385798), (980, 2192899)]