208759960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{226913}}^1$

素因数の和:226947

約数の個数: 32

約数和(自身を含む): 490134240

約数和(自身を除く): 281374280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 226913, 453826, 907652, 1134565, 1815304, 2269130, 4538260, 5218999, 9076520, 10437998, 20875996, 26094995, 41751992, 52189990, 104379980, 208759960]

約数ペア:

[(1, 208759960), (2, 104379980), (4, 52189990), (5, 41751992), (8, 26094995), (10, 20875996), (20, 10437998), (23, 9076520), (40, 5218999), (46, 4538260), (92, 2269130), (115, 1815304), (184, 1134565), (230, 907652), (460, 453826), (920, 226913)]