207128500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{21803}}^1$

素因数の和:21841

約数の個数: 48

約数和(自身を含む): 476199360

約数和(自身を除く): 269070860

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2375, 4750, 9500, 21803, 43606, 87212, 109015, 218030, 414257, 436060, 545075, 828514, 1090150, 1657028, 2071285, 2180300, 2725375, 4142570, 5450750, 8285140, 10356425, 10901500, 20712850, 41425700, 51782125, 103564250, 207128500]

約数ペア:

[(1, 207128500), (2, 103564250), (4, 51782125), (5, 41425700), (10, 20712850), (19, 10901500), (20, 10356425), (25, 8285140), (38, 5450750), (50, 4142570), (76, 2725375), (95, 2180300), (100, 2071285), (125, 1657028), (190, 1090150), (250, 828514), (380, 545075), (475, 436060), (500, 414257), (950, 218030), (1900, 109015), (2375, 87212), (4750, 43606), (9500, 21803)]