9850540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 23998464

約数和(自身を除く): 14147924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 991, 994, 1420, 1982, 1988, 2485, 3964, 4955, 4970, 6937, 9910, 9940, 13874, 19820, 27748, 34685, 69370, 70361, 138740, 140722, 281444, 351805, 492527, 703610, 985054, 1407220, 1970108, 2462635, 4925270, 9850540]

約数ペア:

[(1, 9850540), (2, 4925270), (4, 2462635), (5, 1970108), (7, 1407220), (10, 985054), (14, 703610), (20, 492527), (28, 351805), (35, 281444), (70, 140722), (71, 138740), (140, 70361), (142, 69370), (284, 34685), (355, 27748), (497, 19820), (710, 13874), (991, 9940), (994, 9910), (1420, 6937), (1982, 4970), (1988, 4955), (2485, 3964)]