53891320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{977}}^1$

素因数の和:1192

約数の個数: 64

約数和(自身を含む): 139423680

約数和(自身を除く): 85532360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 977, 985, 1379, 1576, 1954, 1970, 2758, 3908, 3940, 4885, 5516, 6839, 6895, 7816, 7880, 9770, 11032, 13678, 13790, 19540, 27356, 27580, 34195, 39080, 54712, 55160, 68390, 136780, 192469, 273560, 384938, 769876, 962345, 1347283, 1539752, 1924690, 2694566, 3849380, 5389132, 6736415, 7698760, 10778264, 13472830, 26945660, 53891320]

約数ペア:

[(1, 53891320), (2, 26945660), (4, 13472830), (5, 10778264), (7, 7698760), (8, 6736415), (10, 5389132), (14, 3849380), (20, 2694566), (28, 1924690), (35, 1539752), (40, 1347283), (56, 962345), (70, 769876), (140, 384938), (197, 273560), (280, 192469), (394, 136780), (788, 68390), (977, 55160), (985, 54712), (1379, 39080), (1576, 34195), (1954, 27580), (1970, 27356), (2758, 19540), (3908, 13790), (3940, 13678), (4885, 11032), (5516, 9770), (6839, 7880), (6895, 7816)]