256425810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{61493}}^1$

素因数の和:61642

約数の個数: 32

約数和(自身を含む): 619859520

約数和(自身を除く): 363433710

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 61493, 122986, 184479, 307465, 368958, 614930, 922395, 1844790, 8547527, 17095054, 25642581, 42737635, 51285162, 85475270, 128212905, 256425810]

約数ペア:

[(1, 256425810), (2, 128212905), (3, 85475270), (5, 51285162), (6, 42737635), (10, 25642581), (15, 17095054), (30, 8547527), (139, 1844790), (278, 922395), (417, 614930), (695, 368958), (834, 307465), (1390, 184479), (2085, 122986), (4170, 61493)]