208079620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{64621}}^1$

素因数の和:64660

約数の個数: 48

約数和(自身を含む): 521111808

約数和(自身を除く): 313032188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 64621, 129242, 258484, 323105, 452347, 646210, 904694, 1292420, 1486283, 1809388, 2261735, 2972566, 4523470, 5945132, 7431415, 9046940, 10403981, 14862830, 20807962, 29725660, 41615924, 52019905, 104039810, 208079620]

約数ペア:

[(1, 208079620), (2, 104039810), (4, 52019905), (5, 41615924), (7, 29725660), (10, 20807962), (14, 14862830), (20, 10403981), (23, 9046940), (28, 7431415), (35, 5945132), (46, 4523470), (70, 2972566), (92, 2261735), (115, 1809388), (140, 1486283), (161, 1292420), (230, 904694), (322, 646210), (460, 452347), (644, 323105), (805, 258484), (1610, 129242), (3220, 64621)]