238704620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{155003}}^1$

素因数の和:155030

約数の個数: 48

約数和(自身を含む): 624976128

約数和(自身を除く): 386271508

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 155003, 310006, 620012, 775015, 1085021, 1550030, 1705033, 2170042, 3100060, 3410066, 4340084, 5425105, 6820132, 8525165, 10850210, 11935231, 17050330, 21700420, 23870462, 34100660, 47740924, 59676155, 119352310, 238704620]

約数ペア:

[(1, 238704620), (2, 119352310), (4, 59676155), (5, 47740924), (7, 34100660), (10, 23870462), (11, 21700420), (14, 17050330), (20, 11935231), (22, 10850210), (28, 8525165), (35, 6820132), (44, 5425105), (55, 4340084), (70, 3410066), (77, 3100060), (110, 2170042), (140, 1705033), (154, 1550030), (220, 1085021), (308, 775015), (385, 620012), (770, 310006), (1540, 155003)]