212519950

素因数分解:

$2^1\times 5^2\times {\mathrm{991}}^1\times {\mathrm{4289}}^1$

素因数の和:5292

約数の個数: 24

約数和(自身を含む): 395778240

約数和(自身を除く): 183258290

約数列:

[1, 2, 5, 10, 25, 50, 991, 1982, 4289, 4955, 8578, 9910, 21445, 24775, 42890, 49550, 107225, 214450, 4250399, 8500798, 21251995, 42503990, 106259975, 212519950]

約数ペア:

[(1, 212519950), (2, 106259975), (5, 42503990), (10, 21251995), (25, 8500798), (50, 4250399), (991, 214450), (1982, 107225), (4289, 49550), (4955, 42890), (8578, 24775), (9910, 21445)]