2013753475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{71}}^2$

素因数の和:229

約数の個数: 54

約数和(自身を含む): 2761122260

約数和(自身を除く): 747368785

約数列:

[1, 5, 19, 25, 29, 71, 95, 145, 355, 475, 551, 725, 841, 1349, 1775, 2059, 2755, 4205, 5041, 6745, 10295, 13775, 15979, 21025, 25205, 33725, 39121, 51475, 59711, 79895, 95779, 126025, 146189, 195605, 298555, 399475, 478895, 730945, 978025, 1134509, 1492775, 2394475, 2777591, 3654725, 4239481, 5672545, 13887955, 21197405, 28362725, 69439775, 80550139, 105987025, 402750695, 2013753475]

約数ペア:

[(1, 2013753475), (5, 402750695), (19, 105987025), (25, 80550139), (29, 69439775), (71, 28362725), (95, 21197405), (145, 13887955), (355, 5672545), (475, 4239481), (551, 3654725), (725, 2777591), (841, 2394475), (1349, 1492775), (1775, 1134509), (2059, 978025), (2755, 730945), (4205, 478895), (5041, 399475), (6745, 298555), (10295, 195605), (13775, 146189), (15979, 126025), (21025, 95779), (25205, 79895), (33725, 59711), (39121, 51475)]