140953480

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{20369}}^1$

素因数の和:20553

約数の個数: 32

約数和(自身を含む): 318994200

約数和(自身を除く): 178040720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 20369, 40738, 81476, 101845, 162952, 203690, 407380, 814760, 3523837, 7047674, 14095348, 17619185, 28190696, 35238370, 70476740, 140953480]

約数ペア:

[(1, 140953480), (2, 70476740), (4, 35238370), (5, 28190696), (8, 17619185), (10, 14095348), (20, 7047674), (40, 3523837), (173, 814760), (346, 407380), (692, 203690), (865, 162952), (1384, 101845), (1730, 81476), (3460, 40738), (6920, 20369)]