259032440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281557}}^1$

素因数の和:281591

約数の個数: 32

約数和(自身を含む): 608165280

約数和(自身を除く): 349132840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 281557, 563114, 1126228, 1407785, 2252456, 2815570, 5631140, 6475811, 11262280, 12951622, 25903244, 32379055, 51806488, 64758110, 129516220, 259032440]

約数ペア:

[(1, 259032440), (2, 129516220), (4, 64758110), (5, 51806488), (8, 32379055), (10, 25903244), (20, 12951622), (23, 11262280), (40, 6475811), (46, 5631140), (92, 2815570), (115, 2252456), (184, 1407785), (230, 1126228), (460, 563114), (920, 281557)]