138664540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{14783}}^1$

素因数の和:14866

約数の個数: 48

約数和(自身を含む): 337784832

約数和(自身を除く): 199120292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 14783, 29566, 59132, 73915, 103481, 147830, 206962, 295660, 413924, 517405, 990461, 1034810, 1980922, 2069620, 3961844, 4952305, 6933227, 9904610, 13866454, 19809220, 27732908, 34666135, 69332270, 138664540]

約数ペア:

[(1, 138664540), (2, 69332270), (4, 34666135), (5, 27732908), (7, 19809220), (10, 13866454), (14, 9904610), (20, 6933227), (28, 4952305), (35, 3961844), (67, 2069620), (70, 1980922), (134, 1034810), (140, 990461), (268, 517405), (335, 413924), (469, 295660), (670, 206962), (938, 147830), (1340, 103481), (1876, 73915), (2345, 59132), (4690, 29566), (9380, 14783)]