51018940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{977}}^1$

素因数の和:1366

約数の個数: 48

約数和(自身を含む): 122899392

約数和(自身を除く): 71880452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 373, 746, 977, 1492, 1865, 1954, 2611, 3730, 3908, 4885, 5222, 6839, 7460, 9770, 10444, 13055, 13678, 19540, 26110, 27356, 34195, 52220, 68390, 136780, 364421, 728842, 1457684, 1822105, 2550947, 3644210, 5101894, 7288420, 10203788, 12754735, 25509470, 51018940]

約数ペア:

[(1, 51018940), (2, 25509470), (4, 12754735), (5, 10203788), (7, 7288420), (10, 5101894), (14, 3644210), (20, 2550947), (28, 1822105), (35, 1457684), (70, 728842), (140, 364421), (373, 136780), (746, 68390), (977, 52220), (1492, 34195), (1865, 27356), (1954, 26110), (2611, 19540), (3730, 13678), (3908, 13055), (4885, 10444), (5222, 9770), (6839, 7460)]