17387180

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 20715220

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 188, 212, 235, 265, 349, 470, 530, 698, 940, 1060, 1396, 1745, 2491, 3490, 4982, 6980, 9964, 12455, 16403, 18497, 24910, 32806, 36994, 49820, 65612, 73988, 82015, 92485, 164030, 184970, 328060, 369940, 869359, 1738718, 3477436, 4346795, 8693590, 17387180]

約数ペア:

[(1, 17387180), (2, 8693590), (4, 4346795), (5, 3477436), (10, 1738718), (20, 869359), (47, 369940), (53, 328060), (94, 184970), (106, 164030), (188, 92485), (212, 82015), (235, 73988), (265, 65612), (349, 49820), (470, 36994), (530, 32806), (698, 24910), (940, 18497), (1060, 16403), (1396, 12455), (1745, 9964), (2491, 6980), (3490, 4982)]