394695680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{127}}^1\times {\mathrm{607}}^1$

素因数の和:759

約数の個数: 88

約数和(自身を含む): 955834368

約数和(自身を除く): 561138688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 512, 607, 635, 640, 1016, 1024, 1214, 1270, 1280, 2032, 2428, 2540, 2560, 3035, 4064, 4856, 5080, 5120, 6070, 8128, 9712, 10160, 12140, 16256, 19424, 20320, 24280, 32512, 38848, 40640, 48560, 65024, 77089, 77696, 81280, 97120, 130048, 154178, 155392, 162560, 194240, 308356, 310784, 325120, 385445, 388480, 616712, 621568, 650240, 770890, 776960, 1233424, 1541780, 1553920, 2466848, 3083560, 3107840, 4933696, 6167120, 9867392, 12334240, 19734784, 24668480, 39469568, 49336960, 78939136, 98673920, 197347840, 394695680]

約数ペア:

[(1, 394695680), (2, 197347840), (4, 98673920), (5, 78939136), (8, 49336960), (10, 39469568), (16, 24668480), (20, 19734784), (32, 12334240), (40, 9867392), (64, 6167120), (80, 4933696), (127, 3107840), (128, 3083560), (160, 2466848), (254, 1553920), (256, 1541780), (320, 1233424), (508, 776960), (512, 770890), (607, 650240), (635, 621568), (640, 616712), (1016, 388480), (1024, 385445), (1214, 325120), (1270, 310784), (1280, 308356), (2032, 194240), (2428, 162560), (2540, 155392), (2560, 154178), (3035, 130048), (4064, 97120), (4856, 81280), (5080, 77696), (5120, 77089), (6070, 65024), (8128, 48560), (9712, 40640), (10160, 38848), (12140, 32512), (16256, 24280), (19424, 20320)]