856249600

素因数分解:

$2^8\times 5^2\times {\mathrm{337}}^1\times {\mathrm{397}}^1$

素因数の和:760

約数の個数: 108

約数和(自身を含む): 2130994684

約数和(自身を除く): 1274745084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 337, 397, 400, 640, 674, 794, 800, 1280, 1348, 1588, 1600, 1685, 1985, 2696, 3176, 3200, 3370, 3970, 5392, 6352, 6400, 6740, 7940, 8425, 9925, 10784, 12704, 13480, 15880, 16850, 19850, 21568, 25408, 26960, 31760, 33700, 39700, 43136, 50816, 53920, 63520, 67400, 79400, 86272, 101632, 107840, 127040, 133789, 134800, 158800, 215680, 254080, 267578, 269600, 317600, 431360, 508160, 535156, 539200, 635200, 668945, 1070312, 1078400, 1270400, 1337890, 2140624, 2156800, 2540800, 2675780, 3344725, 4281248, 5351560, 6689450, 8562496, 10703120, 13378900, 17124992, 21406240, 26757800, 34249984, 42812480, 53515600, 85624960, 107031200, 171249920, 214062400, 428124800, 856249600]

約数ペア:

[(1, 856249600), (2, 428124800), (4, 214062400), (5, 171249920), (8, 107031200), (10, 85624960), (16, 53515600), (20, 42812480), (25, 34249984), (32, 26757800), (40, 21406240), (50, 17124992), (64, 13378900), (80, 10703120), (100, 8562496), (128, 6689450), (160, 5351560), (200, 4281248), (256, 3344725), (320, 2675780), (337, 2540800), (397, 2156800), (400, 2140624), (640, 1337890), (674, 1270400), (794, 1078400), (800, 1070312), (1280, 668945), (1348, 635200), (1588, 539200), (1600, 535156), (1685, 508160), (1985, 431360), (2696, 317600), (3176, 269600), (3200, 267578), (3370, 254080), (3970, 215680), (5392, 158800), (6352, 134800), (6400, 133789), (6740, 127040), (7940, 107840), (8425, 101632), (9925, 86272), (10784, 79400), (12704, 67400), (13480, 63520), (15880, 53920), (16850, 50816), (19850, 43136), (21568, 39700), (25408, 33700), (26960, 31760)]