208451350

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:577

約数の個数: 48

約数和(自身を含む): 396068400

約数和(自身を除く): 187617050

約数列:

[1, 2, 5, 10, 25, 50, 89, 139, 178, 278, 337, 445, 674, 695, 890, 1390, 1685, 2225, 3370, 3475, 4450, 6950, 8425, 12371, 16850, 24742, 29993, 46843, 59986, 61855, 93686, 123710, 149965, 234215, 299930, 309275, 468430, 618550, 749825, 1171075, 1499650, 2342150, 4169027, 8338054, 20845135, 41690270, 104225675, 208451350]

約数ペア:

[(1, 208451350), (2, 104225675), (5, 41690270), (10, 20845135), (25, 8338054), (50, 4169027), (89, 2342150), (139, 1499650), (178, 1171075), (278, 749825), (337, 618550), (445, 468430), (674, 309275), (695, 299930), (890, 234215), (1390, 149965), (1685, 123710), (2225, 93686), (3370, 61855), (3475, 59986), (4450, 46843), (6950, 29993), (8425, 24742), (12371, 16850)]