209213808520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{275281327}}^1$

素因数の和:275281357

約数の個数: 32

約数和(自身を含む): 495506390400

約数和(自身を除く): 286292581880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 275281327, 550562654, 1101125308, 1376406635, 2202250616, 2752813270, 5230345213, 5505626540, 10460690426, 11011253080, 20921380852, 26151726065, 41842761704, 52303452130, 104606904260, 209213808520]

約数ペア:

[(1, 209213808520), (2, 104606904260), (4, 52303452130), (5, 41842761704), (8, 26151726065), (10, 20921380852), (19, 11011253080), (20, 10460690426), (38, 5505626540), (40, 5230345213), (76, 2752813270), (95, 2202250616), (152, 1376406635), (190, 1101125308), (380, 550562654), (760, 275281327)]