204629540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{217691}}^1$

素因数の和:217747

約数の個数: 24

約数和(自身を含む): 438867072

約数和(自身を除く): 234237532

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 217691, 435382, 870764, 1088455, 2176910, 4353820, 10231477, 20462954, 40925908, 51157385, 102314770, 204629540]

約数ペア:

[(1, 204629540), (2, 102314770), (4, 51157385), (5, 40925908), (10, 20462954), (20, 10231477), (47, 4353820), (94, 2176910), (188, 1088455), (235, 870764), (470, 435382), (940, 217691)]