4048156940

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{719}}^1\times {\mathrm{1429}}^1$

素因数の和:2354

約数の個数: 48

約数和(自身を含む): 8562153600

約数和(自身を除く): 4513996660

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 719, 788, 985, 1429, 1438, 1970, 2858, 2876, 3595, 3940, 5716, 7145, 7190, 14290, 14380, 28580, 141643, 281513, 283286, 563026, 566572, 708215, 1027451, 1126052, 1407565, 1416430, 2054902, 2815130, 2832860, 4109804, 5137255, 5630260, 10274510, 20549020, 202407847, 404815694, 809631388, 1012039235, 2024078470, 4048156940]

約数ペア:

[(1, 4048156940), (2, 2024078470), (4, 1012039235), (5, 809631388), (10, 404815694), (20, 202407847), (197, 20549020), (394, 10274510), (719, 5630260), (788, 5137255), (985, 4109804), (1429, 2832860), (1438, 2815130), (1970, 2054902), (2858, 1416430), (2876, 1407565), (3595, 1126052), (3940, 1027451), (5716, 708215), (7145, 566572), (7190, 563026), (14290, 283286), (14380, 281513), (28580, 141643)]