2142860

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{349}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 4527600

約数和(自身を除く): 2384740

約数列:

[1, 2, 4, 5, 10, 20, 307, 349, 614, 698, 1228, 1396, 1535, 1745, 3070, 3490, 6140, 6980, 107143, 214286, 428572, 535715, 1071430, 2142860]

約数ペア:

[(1, 2142860), (2, 1071430), (4, 535715), (5, 428572), (10, 214286), (20, 107143), (307, 6980), (349, 6140), (614, 3490), (698, 3070), (1228, 1745), (1396, 1535)]