9721000

素因数分解:

$2^3\times 5^3\times {\mathrm{9721}}^1$

素因数の和:9742

約数の個数: 32

約数和(自身を含む): 22749480

約数和(自身を除く): 13028480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 9721, 19442, 38884, 48605, 77768, 97210, 194420, 243025, 388840, 486050, 972100, 1215125, 1944200, 2430250, 4860500, 9721000]

約数ペア:

[(1, 9721000), (2, 4860500), (4, 2430250), (5, 1944200), (8, 1215125), (10, 972100), (20, 486050), (25, 388840), (40, 243025), (50, 194420), (100, 97210), (125, 77768), (200, 48605), (250, 38884), (500, 19442), (1000, 9721)]