209291220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1162729}}^1$

素因数の和:1162744

約数の個数: 36

約数和(自身を含む): 634850580

約数和(自身を除く): 425559360

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1162729, 2325458, 3488187, 4650916, 5813645, 6976374, 10464561, 11627290, 13952748, 17440935, 20929122, 23254580, 34881870, 41858244, 52322805, 69763740, 104645610, 209291220]

約数ペア:

[(1, 209291220), (2, 104645610), (3, 69763740), (4, 52322805), (5, 41858244), (6, 34881870), (9, 23254580), (10, 20929122), (12, 17440935), (15, 13952748), (18, 11627290), (20, 10464561), (30, 6976374), (36, 5813645), (45, 4650916), (60, 3488187), (90, 2325458), (180, 1162729)]