199298560

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1\times {\mathrm{613}}^1$

素因数の和:763

約数の個数: 80

約数和(自身を含む): 482397696

約数和(自身を除く): 283099136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 512, 613, 635, 640, 1016, 1226, 1270, 1280, 2032, 2452, 2540, 2560, 3065, 4064, 4904, 5080, 6130, 8128, 9808, 10160, 12260, 16256, 19616, 20320, 24520, 32512, 39232, 40640, 49040, 65024, 77851, 78464, 81280, 98080, 155702, 156928, 162560, 196160, 311404, 313856, 325120, 389255, 392320, 622808, 778510, 784640, 1245616, 1557020, 1569280, 2491232, 3114040, 4982464, 6228080, 9964928, 12456160, 19929856, 24912320, 39859712, 49824640, 99649280, 199298560]

約数ペア:

[(1, 199298560), (2, 99649280), (4, 49824640), (5, 39859712), (8, 24912320), (10, 19929856), (16, 12456160), (20, 9964928), (32, 6228080), (40, 4982464), (64, 3114040), (80, 2491232), (127, 1569280), (128, 1557020), (160, 1245616), (254, 784640), (256, 778510), (320, 622808), (508, 392320), (512, 389255), (613, 325120), (635, 313856), (640, 311404), (1016, 196160), (1226, 162560), (1270, 156928), (1280, 155702), (2032, 98080), (2452, 81280), (2540, 78464), (2560, 77851), (3065, 65024), (4064, 49040), (4904, 40640), (5080, 39232), (6130, 32512), (8128, 24520), (9808, 20320), (10160, 19616), (12260, 16256)]