197347840

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1\times {\mathrm{607}}^1$

素因数の和:757

約数の個数: 80

約数和(自身を含む): 477683712

約数和(自身を除く): 280335872

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, 1214, 1270, 1280, 2032, 2428, 2540, 2560, 3035, 4064, 4856, 5080, 6070, 8128, 9712, 10160, 12140, 16256, 19424, 20320, 24280, 32512, 38848, 40640, 48560, 65024, 77089, 77696, 81280, 97120, 154178, 155392, 162560, 194240, 308356, 310784, 325120, 385445, 388480, 616712, 770890, 776960, 1233424, 1541780, 1553920, 2466848, 3083560, 4933696, 6167120, 9867392, 12334240, 19734784, 24668480, 39469568, 49336960, 98673920, 197347840]

約数ペア:

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