2784140

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1301}}^1$

素因数の和:1417

約数の個数: 24

約数和(自身を含む): 5905872

約数和(自身を除く): 3121732

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 1301, 2140, 2602, 5204, 6505, 13010, 26020, 139207, 278414, 556828, 696035, 1392070, 2784140]

約数ペア:

[(1, 2784140), (2, 1392070), (4, 696035), (5, 556828), (10, 278414), (20, 139207), (107, 26020), (214, 13010), (428, 6505), (535, 5204), (1070, 2602), (1301, 2140)]