194631440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{128047}}^1$

素因数の和:128079

約数の個数: 40

約数和(自身を含む): 476338560

約数和(自身を除く): 281707120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 128047, 256094, 512188, 640235, 1024376, 1280470, 2048752, 2432893, 2560940, 4865786, 5121880, 9731572, 10243760, 12164465, 19463144, 24328930, 38926288, 48657860, 97315720, 194631440]

約数ペア:

[(1, 194631440), (2, 97315720), (4, 48657860), (5, 38926288), (8, 24328930), (10, 19463144), (16, 12164465), (19, 10243760), (20, 9731572), (38, 5121880), (40, 4865786), (76, 2560940), (80, 2432893), (95, 2048752), (152, 1280470), (190, 1024376), (304, 640235), (380, 512188), (760, 256094), (1520, 128047)]