210321440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{187787}}^1$

素因数の和:187809

約数の個数: 48

約数和(自身を含む): 567870912

約数和(自身を除く): 357549472

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, 187787, 375574, 751148, 938935, 1314509, 1502296, 1877870, 2629018, 3004592, 3755740, 5258036, 6009184, 6572545, 7511480, 10516072, 13145090, 15022960, 21032144, 26290180, 30045920, 42064288, 52580360, 105160720, 210321440]

約数ペア:

[(1, 210321440), (2, 105160720), (4, 52580360), (5, 42064288), (7, 30045920), (8, 26290180), (10, 21032144), (14, 15022960), (16, 13145090), (20, 10516072), (28, 7511480), (32, 6572545), (35, 6009184), (40, 5258036), (56, 3755740), (70, 3004592), (80, 2629018), (112, 1877870), (140, 1502296), (160, 1314509), (224, 938935), (280, 751148), (560, 375574), (1120, 187787)]