2505440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{2237}}^1$

素因数の和:2259

約数の個数: 48

約数和(自身を含む): 6767712

約数和(自身を除く): 4262272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 2237, 4474, 8948, 11185, 15659, 17896, 22370, 31318, 35792, 44740, 62636, 71584, 78295, 89480, 125272, 156590, 178960, 250544, 313180, 357920, 501088, 626360, 1252720, 2505440]

約数ペア:

[(1, 2505440), (2, 1252720), (4, 626360), (5, 501088), (7, 357920), (8, 313180), (10, 250544), (14, 178960), (16, 156590), (20, 125272), (28, 89480), (32, 78295), (35, 71584), (40, 62636), (56, 44740), (70, 35792), (80, 31318), (112, 22370), (140, 17896), (160, 15659), (224, 11185), (280, 8948), (560, 4474), (1120, 2237)]