166431440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{42457}}^1$

素因数の和:42484

約数の個数: 60

約数和(自身を含む): 450139716

約数和(自身を除く): 283708276

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 42457, 84914, 169828, 212285, 297199, 339656, 424570, 594398, 679312, 849140, 1188796, 1485995, 1698280, 2080393, 2377592, 2971990, 3396560, 4160786, 4755184, 5943980, 8321572, 10401965, 11887960, 16643144, 20803930, 23775920, 33286288, 41607860, 83215720, 166431440]

約数ペア:

[(1, 166431440), (2, 83215720), (4, 41607860), (5, 33286288), (7, 23775920), (8, 20803930), (10, 16643144), (14, 11887960), (16, 10401965), (20, 8321572), (28, 5943980), (35, 4755184), (40, 4160786), (49, 3396560), (56, 2971990), (70, 2377592), (80, 2080393), (98, 1698280), (112, 1485995), (140, 1188796), (196, 849140), (245, 679312), (280, 594398), (392, 424570), (490, 339656), (560, 297199), (784, 212285), (980, 169828), (1960, 84914), (3920, 42457)]