388766000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{3967}}^1$

素因数の和:4004

約数の個数: 120

約数和(自身を含む): 1093787136

約数和(自身を除く): 705021136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 400, 490, 500, 560, 700, 784, 875, 980, 1000, 1225, 1400, 1750, 1960, 2000, 2450, 2800, 3500, 3920, 3967, 4900, 6125, 7000, 7934, 9800, 12250, 14000, 15868, 19600, 19835, 24500, 27769, 31736, 39670, 49000, 55538, 63472, 79340, 98000, 99175, 111076, 138845, 158680, 194383, 198350, 222152, 277690, 317360, 388766, 396700, 444304, 495875, 555380, 694225, 777532, 793400, 971915, 991750, 1110760, 1388450, 1555064, 1586800, 1943830, 1983500, 2221520, 2776900, 3110128, 3471125, 3887660, 3967000, 4859575, 5553800, 6942250, 7775320, 7934000, 9719150, 11107600, 13884500, 15550640, 19438300, 24297875, 27769000, 38876600, 48595750, 55538000, 77753200, 97191500, 194383000, 388766000]

約数ペア:

[(1, 388766000), (2, 194383000), (4, 97191500), (5, 77753200), (7, 55538000), (8, 48595750), (10, 38876600), (14, 27769000), (16, 24297875), (20, 19438300), (25, 15550640), (28, 13884500), (35, 11107600), (40, 9719150), (49, 7934000), (50, 7775320), (56, 6942250), (70, 5553800), (80, 4859575), (98, 3967000), (100, 3887660), (112, 3471125), (125, 3110128), (140, 2776900), (175, 2221520), (196, 1983500), (200, 1943830), (245, 1586800), (250, 1555064), (280, 1388450), (350, 1110760), (392, 991750), (400, 971915), (490, 793400), (500, 777532), (560, 694225), (700, 555380), (784, 495875), (875, 444304), (980, 396700), (1000, 388766), (1225, 317360), (1400, 277690), (1750, 222152), (1960, 198350), (2000, 194383), (2450, 158680), (2800, 138845), (3500, 111076), (3920, 99175), (3967, 98000), (4900, 79340), (6125, 63472), (7000, 55538), (7934, 49000), (9800, 39670), (12250, 31736), (14000, 27769), (15868, 24500), (19600, 19835)]