129339980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83987}}^1$

素因数の和:84014

約数の個数: 48

約数和(自身を含む): 338639616

約数和(自身を除く): 209299636

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 83987, 167974, 335948, 419935, 587909, 839870, 923857, 1175818, 1679740, 1847714, 2351636, 2939545, 3695428, 4619285, 5879090, 6466999, 9238570, 11758180, 12933998, 18477140, 25867996, 32334995, 64669990, 129339980]

約数ペア:

[(1, 129339980), (2, 64669990), (4, 32334995), (5, 25867996), (7, 18477140), (10, 12933998), (11, 11758180), (14, 9238570), (20, 6466999), (22, 5879090), (28, 4619285), (35, 3695428), (44, 2939545), (55, 2351636), (70, 1847714), (77, 1679740), (110, 1175818), (140, 923857), (154, 839870), (220, 587909), (308, 419935), (385, 335948), (770, 167974), (1540, 83987)]