138171320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13337}}^1$

素因数の和:13392

約数の個数: 64

約数和(自身を含む): 364927680

約数和(自身を除く): 226756360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 10360, 13337, 26674, 53348, 66685, 93359, 106696, 133370, 186718, 266740, 373436, 466795, 493469, 533480, 746872, 933590, 986938, 1867180, 1973876, 2467345, 3454283, 3734360, 3947752, 4934690, 6908566, 9869380, 13817132, 17271415, 19738760, 27634264, 34542830, 69085660, 138171320]

約数ペア:

[(1, 138171320), (2, 69085660), (4, 34542830), (5, 27634264), (7, 19738760), (8, 17271415), (10, 13817132), (14, 9869380), (20, 6908566), (28, 4934690), (35, 3947752), (37, 3734360), (40, 3454283), (56, 2467345), (70, 1973876), (74, 1867180), (140, 986938), (148, 933590), (185, 746872), (259, 533480), (280, 493469), (296, 466795), (370, 373436), (518, 266740), (740, 186718), (1036, 133370), (1295, 106696), (1480, 93359), (2072, 66685), (2590, 53348), (5180, 26674), (10360, 13337)]