6570340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 16015104

約数和(自身を除く): 9444764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 661, 710, 994, 1322, 1420, 1988, 2485, 2644, 3305, 4627, 4970, 6610, 9254, 9940, 13220, 18508, 23135, 46270, 46931, 92540, 93862, 187724, 234655, 328517, 469310, 657034, 938620, 1314068, 1642585, 3285170, 6570340]

約数ペア:

[(1, 6570340), (2, 3285170), (4, 1642585), (5, 1314068), (7, 938620), (10, 657034), (14, 469310), (20, 328517), (28, 234655), (35, 187724), (70, 93862), (71, 92540), (140, 46931), (142, 46270), (284, 23135), (355, 18508), (497, 13220), (661, 9940), (710, 9254), (994, 6610), (1322, 4970), (1420, 4627), (1988, 3305), (2485, 2644)]