200780480

素因数分解:

$2^6\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4211}}^1$

素因数の和:4377

約数の個数: 56

約数和(自身を含む): 481431600

約数和(自身を除く): 280651120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 149, 160, 298, 320, 596, 745, 1192, 1490, 2384, 2980, 4211, 4768, 5960, 8422, 9536, 11920, 16844, 21055, 23840, 33688, 42110, 47680, 67376, 84220, 134752, 168440, 269504, 336880, 627439, 673760, 1254878, 1347520, 2509756, 3137195, 5019512, 6274390, 10039024, 12548780, 20078048, 25097560, 40156096, 50195120, 100390240, 200780480]

約数ペア:

[(1, 200780480), (2, 100390240), (4, 50195120), (5, 40156096), (8, 25097560), (10, 20078048), (16, 12548780), (20, 10039024), (32, 6274390), (40, 5019512), (64, 3137195), (80, 2509756), (149, 1347520), (160, 1254878), (298, 673760), (320, 627439), (596, 336880), (745, 269504), (1192, 168440), (1490, 134752), (2384, 84220), (2980, 67376), (4211, 47680), (4768, 42110), (5960, 33688), (8422, 23840), (9536, 21055), (11920, 16844)]