2140880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3823}}^1$

素因数の和:3843

約数の個数: 40

約数和(自身を含む): 5690112

約数和(自身を除く): 3549232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3823, 7646, 15292, 19115, 26761, 30584, 38230, 53522, 61168, 76460, 107044, 133805, 152920, 214088, 267610, 305840, 428176, 535220, 1070440, 2140880]

約数ペア:

[(1, 2140880), (2, 1070440), (4, 535220), (5, 428176), (7, 305840), (8, 267610), (10, 214088), (14, 152920), (16, 133805), (20, 107044), (28, 76460), (35, 61168), (40, 53522), (56, 38230), (70, 30584), (80, 26761), (112, 19115), (140, 15292), (280, 7646), (560, 3823)]