2760520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9859}}^1$

素因数の和:9877

約数の個数: 32

約数和(自身を含む): 7099200

約数和(自身を除く): 4338680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9859, 19718, 39436, 49295, 69013, 78872, 98590, 138026, 197180, 276052, 345065, 394360, 552104, 690130, 1380260, 2760520]

約数ペア:

[(1, 2760520), (2, 1380260), (4, 690130), (5, 552104), (7, 394360), (8, 345065), (10, 276052), (14, 197180), (20, 138026), (28, 98590), (35, 78872), (40, 69013), (56, 49295), (70, 39436), (140, 19718), (280, 9859)]