290877440

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{2029}}^1$

素因数の和:2065

約数の個数: 104

約数和(自身を含む): 798131040

約数和(自身を除く): 507253600

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, 1024, 1120, 1280, 1792, 2029, 2048, 2240, 2560, 3584, 4058, 4096, 4480, 5120, 7168, 8116, 8960, 10145, 10240, 14203, 14336, 16232, 17920, 20290, 20480, 28406, 28672, 32464, 35840, 40580, 56812, 64928, 71015, 71680, 81160, 113624, 129856, 142030, 143360, 162320, 227248, 259712, 284060, 324640, 454496, 519424, 568120, 649280, 908992, 1038848, 1136240, 1298560, 1817984, 2077696, 2272480, 2597120, 3635968, 4155392, 4544960, 5194240, 7271936, 8310784, 9089920, 10388480, 14543872, 18179840, 20776960, 29087744, 36359680, 41553920, 58175488, 72719360, 145438720, 290877440]

約数ペア:

[(1, 290877440), (2, 145438720), (4, 72719360), (5, 58175488), (7, 41553920), (8, 36359680), (10, 29087744), (14, 20776960), (16, 18179840), (20, 14543872), (28, 10388480), (32, 9089920), (35, 8310784), (40, 7271936), (56, 5194240), (64, 4544960), (70, 4155392), (80, 3635968), (112, 2597120), (128, 2272480), (140, 2077696), (160, 1817984), (224, 1298560), (256, 1136240), (280, 1038848), (320, 908992), (448, 649280), (512, 568120), (560, 519424), (640, 454496), (896, 324640), (1024, 284060), (1120, 259712), (1280, 227248), (1792, 162320), (2029, 143360), (2048, 142030), (2240, 129856), (2560, 113624), (3584, 81160), (4058, 71680), (4096, 71015), (4480, 64928), (5120, 56812), (7168, 40580), (8116, 35840), (8960, 32464), (10145, 28672), (10240, 28406), (14203, 20480), (14336, 20290), (16232, 17920)]