1903202560

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{212411}}^1$

素因数の和:212439

約数の個数: 72

約数和(自身を含む): 5210041536

約数和(自身を除く): 3306838976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 212411, 424822, 849644, 1062055, 1486877, 1699288, 2124110, 2973754, 3398576, 4248220, 5947508, 6797152, 7434385, 8496440, 11895016, 13594304, 14868770, 16992880, 23790032, 27188608, 29737540, 33985760, 47580064, 54377216, 59475080, 67971520, 95160128, 118950160, 135943040, 190320256, 237900320, 271886080, 380640512, 475800640, 951601280, 1903202560]

約数ペア:

[(1, 1903202560), (2, 951601280), (4, 475800640), (5, 380640512), (7, 271886080), (8, 237900320), (10, 190320256), (14, 135943040), (16, 118950160), (20, 95160128), (28, 67971520), (32, 59475080), (35, 54377216), (40, 47580064), (56, 33985760), (64, 29737540), (70, 27188608), (80, 23790032), (112, 16992880), (128, 14868770), (140, 13594304), (160, 11895016), (224, 8496440), (256, 7434385), (280, 6797152), (320, 5947508), (448, 4248220), (560, 3398576), (640, 2973754), (896, 2124110), (1120, 1699288), (1280, 1486877), (1792, 1062055), (2240, 849644), (4480, 424822), (8960, 212411)]