289552980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{209821}}^1$

素因数の和:209856

約数の個数: 48

約数和(自身を含む): 846002304

約数和(自身を除く): 556449324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 209821, 419642, 629463, 839284, 1049105, 1258926, 2098210, 2517852, 3147315, 4196420, 4825883, 6294630, 9651766, 12589260, 14477649, 19303532, 24129415, 28955298, 48258830, 57910596, 72388245, 96517660, 144776490, 289552980]

約数ペア:

[(1, 289552980), (2, 144776490), (3, 96517660), (4, 72388245), (5, 57910596), (6, 48258830), (10, 28955298), (12, 24129415), (15, 19303532), (20, 14477649), (23, 12589260), (30, 9651766), (46, 6294630), (60, 4825883), (69, 4196420), (92, 3147315), (115, 2517852), (138, 2098210), (230, 1258926), (276, 1049105), (345, 839284), (460, 629463), (690, 419642), (1380, 209821)]