421760290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{1361}}^1$

素因数の和:1627

約数の個数: 64

約数和(自身を含む): 917879040

約数和(自身を除く): 496118750

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 233, 266, 466, 665, 1165, 1330, 1361, 1631, 2330, 2722, 3262, 4427, 6805, 8155, 8854, 9527, 13610, 16310, 19054, 22135, 25859, 30989, 44270, 47635, 51718, 61978, 95270, 129295, 154945, 181013, 258590, 309890, 317113, 362026, 634226, 905065, 1585565, 1810130, 2219791, 3171130, 4439582, 6025147, 11098955, 12050294, 22197910, 30125735, 42176029, 60251470, 84352058, 210880145, 421760290]

約数ペア:

[(1, 421760290), (2, 210880145), (5, 84352058), (7, 60251470), (10, 42176029), (14, 30125735), (19, 22197910), (35, 12050294), (38, 11098955), (70, 6025147), (95, 4439582), (133, 3171130), (190, 2219791), (233, 1810130), (266, 1585565), (466, 905065), (665, 634226), (1165, 362026), (1330, 317113), (1361, 309890), (1631, 258590), (2330, 181013), (2722, 154945), (3262, 129295), (4427, 95270), (6805, 61978), (8155, 51718), (8854, 47635), (9527, 44270), (13610, 30989), (16310, 25859), (19054, 22135)]