1431920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2557}}^1$

素因数の和:2577

約数の個数: 40

約数和(自身を含む): 3806304

約数和(自身を除く): 2374384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2557, 5114, 10228, 12785, 17899, 20456, 25570, 35798, 40912, 51140, 71596, 89495, 102280, 143192, 178990, 204560, 286384, 357980, 715960, 1431920]

約数ペア:

[(1, 1431920), (2, 715960), (4, 357980), (5, 286384), (7, 204560), (8, 178990), (10, 143192), (14, 102280), (16, 89495), (20, 71596), (28, 51140), (35, 40912), (40, 35798), (56, 25570), (70, 20456), (80, 17899), (112, 12785), (140, 10228), (280, 5114), (560, 2557)]