140121904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{1999}}^1$

素因数の和:2357

約数の個数: 40

約数和(自身を含む): 293384000

約数和(自身を除く): 153262096

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 337, 674, 1348, 1999, 2696, 3998, 4381, 5392, 7996, 8762, 15992, 17524, 25987, 31984, 35048, 51974, 70096, 103948, 207896, 415792, 673663, 1347326, 2694652, 5389304, 8757619, 10778608, 17515238, 35030476, 70060952, 140121904]

約数ペア:

[(1, 140121904), (2, 70060952), (4, 35030476), (8, 17515238), (13, 10778608), (16, 8757619), (26, 5389304), (52, 2694652), (104, 1347326), (208, 673663), (337, 415792), (674, 207896), (1348, 103948), (1999, 70096), (2696, 51974), (3998, 35048), (4381, 31984), (5392, 25987), (7996, 17524), (8762, 15992)]