28710270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4493}}^1$

素因数の和:4577

約数の個数: 48

約数和(自身を含む): 75714912

約数和(自身を除く): 47004642

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 4493, 6390, 8986, 13479, 22465, 26958, 40437, 44930, 67395, 80874, 134790, 202185, 319003, 404370, 638006, 957009, 1595015, 1914018, 2871027, 3190030, 4785045, 5742054, 9570090, 14355135, 28710270]

約数ペア:

[(1, 28710270), (2, 14355135), (3, 9570090), (5, 5742054), (6, 4785045), (9, 3190030), (10, 2871027), (15, 1914018), (18, 1595015), (30, 957009), (45, 638006), (71, 404370), (90, 319003), (142, 202185), (213, 134790), (355, 80874), (426, 67395), (639, 44930), (710, 40437), (1065, 26958), (1278, 22465), (2130, 13479), (3195, 8986), (4493, 6390)]