142719920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{254857}}^1$

素因数の和:254877

約数の個数: 40

約数和(自身を含む): 379228704

約数和(自身を除く): 236508784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 254857, 509714, 1019428, 1274285, 1783999, 2038856, 2548570, 3567998, 4077712, 5097140, 7135996, 8919995, 10194280, 14271992, 17839990, 20388560, 28543984, 35679980, 71359960, 142719920]

約数ペア:

[(1, 142719920), (2, 71359960), (4, 35679980), (5, 28543984), (7, 20388560), (8, 17839990), (10, 14271992), (14, 10194280), (16, 8919995), (20, 7135996), (28, 5097140), (35, 4077712), (40, 3567998), (56, 2548570), (70, 2038856), (80, 1783999), (112, 1274285), (140, 1019428), (280, 509714), (560, 254857)]