991115200

素因数分解:

$2^6\times 5^2\times {\mathrm{109}}^1\times {\mathrm{5683}}^1$

素因数の和:5814

約数の個数: 84

約数和(自身を含む): 2461569880

約数和(自身を除く): 1470454680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 109, 160, 200, 218, 320, 400, 436, 545, 800, 872, 1090, 1600, 1744, 2180, 2725, 3488, 4360, 5450, 5683, 6976, 8720, 10900, 11366, 17440, 21800, 22732, 28415, 34880, 43600, 45464, 56830, 87200, 90928, 113660, 142075, 174400, 181856, 227320, 284150, 363712, 454640, 568300, 619447, 909280, 1136600, 1238894, 1818560, 2273200, 2477788, 3097235, 4546400, 4955576, 6194470, 9092800, 9911152, 12388940, 15486175, 19822304, 24777880, 30972350, 39644608, 49555760, 61944700, 99111520, 123889400, 198223040, 247778800, 495557600, 991115200]

約数ペア:

[(1, 991115200), (2, 495557600), (4, 247778800), (5, 198223040), (8, 123889400), (10, 99111520), (16, 61944700), (20, 49555760), (25, 39644608), (32, 30972350), (40, 24777880), (50, 19822304), (64, 15486175), (80, 12388940), (100, 9911152), (109, 9092800), (160, 6194470), (200, 4955576), (218, 4546400), (320, 3097235), (400, 2477788), (436, 2273200), (545, 1818560), (800, 1238894), (872, 1136600), (1090, 909280), (1600, 619447), (1744, 568300), (2180, 454640), (2725, 363712), (3488, 284150), (4360, 227320), (5450, 181856), (5683, 174400), (6976, 142075), (8720, 113660), (10900, 90928), (11366, 87200), (17440, 56830), (21800, 45464), (22732, 43600), (28415, 34880)]