140289280

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{863}}^1$

素因数の和:1011

約数の個数: 72

約数和(自身を含む): 339075072

約数和(自身を除く): 198785792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 863, 1016, 1270, 1280, 1726, 2032, 2540, 3452, 4064, 4315, 5080, 6904, 8128, 8630, 10160, 13808, 16256, 17260, 20320, 27616, 32512, 34520, 40640, 55232, 69040, 81280, 109601, 110464, 138080, 162560, 219202, 220928, 276160, 438404, 548005, 552320, 876808, 1096010, 1104640, 1753616, 2192020, 3507232, 4384040, 7014464, 8768080, 14028928, 17536160, 28057856, 35072320, 70144640, 140289280]

約数ペア:

[(1, 140289280), (2, 70144640), (4, 35072320), (5, 28057856), (8, 17536160), (10, 14028928), (16, 8768080), (20, 7014464), (32, 4384040), (40, 3507232), (64, 2192020), (80, 1753616), (127, 1104640), (128, 1096010), (160, 876808), (254, 552320), (256, 548005), (320, 438404), (508, 276160), (635, 220928), (640, 219202), (863, 162560), (1016, 138080), (1270, 110464), (1280, 109601), (1726, 81280), (2032, 69040), (2540, 55232), (3452, 40640), (4064, 34520), (4315, 32512), (5080, 27616), (6904, 20320), (8128, 17260), (8630, 16256), (10160, 13808)]