28494990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{277}}^1$

素因数の和:423

約数の個数: 80

約数和(自身を含む): 77501952

約数和(自身を除く): 49006962

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 127, 135, 162, 254, 270, 277, 381, 405, 554, 635, 762, 810, 831, 1143, 1270, 1385, 1662, 1905, 2286, 2493, 2770, 3429, 3810, 4155, 4986, 5715, 6858, 7479, 8310, 10287, 11430, 12465, 14958, 17145, 20574, 22437, 24930, 34290, 35179, 37395, 44874, 51435, 70358, 74790, 102870, 105537, 112185, 175895, 211074, 224370, 316611, 351790, 527685, 633222, 949833, 1055370, 1583055, 1899666, 2849499, 3166110, 4749165, 5698998, 9498330, 14247495, 28494990]

約数ペア:

[(1, 28494990), (2, 14247495), (3, 9498330), (5, 5698998), (6, 4749165), (9, 3166110), (10, 2849499), (15, 1899666), (18, 1583055), (27, 1055370), (30, 949833), (45, 633222), (54, 527685), (81, 351790), (90, 316611), (127, 224370), (135, 211074), (162, 175895), (254, 112185), (270, 105537), (277, 102870), (381, 74790), (405, 70358), (554, 51435), (635, 44874), (762, 37395), (810, 35179), (831, 34290), (1143, 24930), (1270, 22437), (1385, 20574), (1662, 17145), (1905, 14958), (2286, 12465), (2493, 11430), (2770, 10287), (3429, 8310), (3810, 7479), (4155, 6858), (4986, 5715)]