138020260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{140837}}^1$

素因数の和:140860

約数の個数: 36

約数和(自身を含む): 337166172

約数和(自身を除く): 199145912

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 140837, 281674, 563348, 704185, 985859, 1408370, 1971718, 2816740, 3943436, 4929295, 6901013, 9858590, 13802026, 19717180, 27604052, 34505065, 69010130, 138020260]

約数ペア:

[(1, 138020260), (2, 69010130), (4, 34505065), (5, 27604052), (7, 19717180), (10, 13802026), (14, 9858590), (20, 6901013), (28, 4929295), (35, 3943436), (49, 2816740), (70, 1971718), (98, 1408370), (140, 985859), (196, 704185), (245, 563348), (490, 281674), (980, 140837)]