1720199120

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{241601}}^1$

素因数の和:241703

約数の個数: 40

約数和(自身を含む): 4044417480

約数和(自身を除く): 2324218360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 241601, 483202, 966404, 1208005, 1932808, 2416010, 3865616, 4832020, 9664040, 19328080, 21502489, 43004978, 86009956, 107512445, 172019912, 215024890, 344039824, 430049780, 860099560, 1720199120]

約数ペア:

[(1, 1720199120), (2, 860099560), (4, 430049780), (5, 344039824), (8, 215024890), (10, 172019912), (16, 107512445), (20, 86009956), (40, 43004978), (80, 21502489), (89, 19328080), (178, 9664040), (356, 4832020), (445, 3865616), (712, 2416010), (890, 1932808), (1424, 1208005), (1780, 966404), (3560, 483202), (7120, 241601)]