285859840

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{997}}^1$

素因数の和:1035

約数の個数: 112

約数和(自身を含む): 784811232

約数和(自身を除く): 498951392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 997, 1024, 1120, 1280, 1792, 1994, 2048, 2240, 2560, 3584, 3988, 4096, 4480, 4985, 5120, 6979, 7168, 7976, 8192, 8960, 9970, 10240, 13958, 14336, 15952, 17920, 19940, 20480, 27916, 28672, 31904, 34895, 35840, 39880, 40960, 55832, 57344, 63808, 69790, 71680, 79760, 111664, 127616, 139580, 143360, 159520, 223328, 255232, 279160, 286720, 319040, 446656, 510464, 558320, 638080, 893312, 1020928, 1116640, 1276160, 1786624, 2041856, 2233280, 2552320, 3573248, 4083712, 4466560, 5104640, 7146496, 8167424, 8933120, 10209280, 14292992, 17866240, 20418560, 28585984, 35732480, 40837120, 57171968, 71464960, 142929920, 285859840]

約数ペア:

[(1, 285859840), (2, 142929920), (4, 71464960), (5, 57171968), (7, 40837120), (8, 35732480), (10, 28585984), (14, 20418560), (16, 17866240), (20, 14292992), (28, 10209280), (32, 8933120), (35, 8167424), (40, 7146496), (56, 5104640), (64, 4466560), (70, 4083712), (80, 3573248), (112, 2552320), (128, 2233280), (140, 2041856), (160, 1786624), (224, 1276160), (256, 1116640), (280, 1020928), (320, 893312), (448, 638080), (512, 558320), (560, 510464), (640, 446656), (896, 319040), (997, 286720), (1024, 279160), (1120, 255232), (1280, 223328), (1792, 159520), (1994, 143360), (2048, 139580), (2240, 127616), (2560, 111664), (3584, 79760), (3988, 71680), (4096, 69790), (4480, 63808), (4985, 57344), (5120, 55832), (6979, 40960), (7168, 39880), (7976, 35840), (8192, 34895), (8960, 31904), (9970, 28672), (10240, 27916), (13958, 20480), (14336, 19940), (15952, 17920)]