69975920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17851}}^1$

素因数の和:17878

約数の個数: 60

約数和(自身を含む): 189266904

約数和(自身を除く): 119290984

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, 17851, 35702, 71404, 89255, 124957, 142808, 178510, 249914, 285616, 357020, 499828, 624785, 714040, 874699, 999656, 1249570, 1428080, 1749398, 1999312, 2499140, 3498796, 4373495, 4998280, 6997592, 8746990, 9996560, 13995184, 17493980, 34987960, 69975920]

約数ペア:

[(1, 69975920), (2, 34987960), (4, 17493980), (5, 13995184), (7, 9996560), (8, 8746990), (10, 6997592), (14, 4998280), (16, 4373495), (20, 3498796), (28, 2499140), (35, 1999312), (40, 1749398), (49, 1428080), (56, 1249570), (70, 999656), (80, 874699), (98, 714040), (112, 624785), (140, 499828), (196, 357020), (245, 285616), (280, 249914), (392, 178510), (490, 142808), (560, 124957), (784, 89255), (980, 71404), (1960, 35702), (3920, 17851)]