210817060

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{10789}}^1$

素因数の和:11775

約数の個数: 24

約数和(自身を含む): 443210040

約数和(自身を除く): 232392980

約数列:

[1, 2, 4, 5, 10, 20, 977, 1954, 3908, 4885, 9770, 10789, 19540, 21578, 43156, 53945, 107890, 215780, 10540853, 21081706, 42163412, 52704265, 105408530, 210817060]

約数ペア:

[(1, 210817060), (2, 105408530), (4, 52704265), (5, 42163412), (10, 21081706), (20, 10540853), (977, 215780), (1954, 107890), (3908, 53945), (4885, 43156), (9770, 21578), (10789, 19540)]