208228220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{829}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 461546400

約数和(自身を除く): 253318180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 661, 829, 1322, 1658, 2644, 3305, 3316, 4145, 6610, 8290, 12559, 13220, 15751, 16580, 25118, 31502, 50236, 62795, 63004, 78755, 125590, 157510, 251180, 315020, 547969, 1095938, 2191876, 2739845, 5479690, 10411411, 10959380, 20822822, 41645644, 52057055, 104114110, 208228220]

約数ペア:

[(1, 208228220), (2, 104114110), (4, 52057055), (5, 41645644), (10, 20822822), (19, 10959380), (20, 10411411), (38, 5479690), (76, 2739845), (95, 2191876), (190, 1095938), (380, 547969), (661, 315020), (829, 251180), (1322, 157510), (1658, 125590), (2644, 78755), (3305, 63004), (3316, 62795), (4145, 50236), (6610, 31502), (8290, 25118), (12559, 16580), (13220, 15751)]