69984040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{249943}}^1$

素因数の和:249961

約数の個数: 32

約数和(自身を含む): 179959680

約数和(自身を除く): 109975640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 249943, 499886, 999772, 1249715, 1749601, 1999544, 2499430, 3499202, 4998860, 6998404, 8748005, 9997720, 13996808, 17496010, 34992020, 69984040]

約数ペア:

[(1, 69984040), (2, 34992020), (4, 17496010), (5, 13996808), (7, 9997720), (8, 8748005), (10, 6998404), (14, 4998860), (20, 3499202), (28, 2499430), (35, 1999544), (40, 1749601), (56, 1249715), (70, 999772), (140, 499886), (280, 249943)]