129275440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{230849}}^1$

素因数の和:230869

約数の個数: 40

約数和(自身を含む): 343504800

約数和(自身を除く): 214229360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 230849, 461698, 923396, 1154245, 1615943, 1846792, 2308490, 3231886, 3693584, 4616980, 6463772, 8079715, 9233960, 12927544, 16159430, 18467920, 25855088, 32318860, 64637720, 129275440]

約数ペア:

[(1, 129275440), (2, 64637720), (4, 32318860), (5, 25855088), (7, 18467920), (8, 16159430), (10, 12927544), (14, 9233960), (16, 8079715), (20, 6463772), (28, 4616980), (35, 3693584), (40, 3231886), (56, 2308490), (70, 1846792), (80, 1615943), (112, 1154245), (140, 923396), (280, 461698), (560, 230849)]