2758280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9851}}^1$

素因数の和:9869

約数の個数: 32

約数和(自身を含む): 7093440

約数和(自身を除く): 4335160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9851, 19702, 39404, 49255, 68957, 78808, 98510, 137914, 197020, 275828, 344785, 394040, 551656, 689570, 1379140, 2758280]

約数ペア:

[(1, 2758280), (2, 1379140), (4, 689570), (5, 551656), (7, 394040), (8, 344785), (10, 275828), (14, 197020), (20, 137914), (28, 98510), (35, 78808), (40, 68957), (56, 49255), (70, 39404), (140, 19702), (280, 9851)]