51779420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{33623}}^1$

素因数の和:33650

約数の個数: 48

約数和(自身を含む): 135571968

約数和(自身を除く): 83792548

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, 33623, 67246, 134492, 168115, 235361, 336230, 369853, 470722, 672460, 739706, 941444, 1176805, 1479412, 1849265, 2353610, 2588971, 3698530, 4707220, 5177942, 7397060, 10355884, 12944855, 25889710, 51779420]

約数ペア:

[(1, 51779420), (2, 25889710), (4, 12944855), (5, 10355884), (7, 7397060), (10, 5177942), (11, 4707220), (14, 3698530), (20, 2588971), (22, 2353610), (28, 1849265), (35, 1479412), (44, 1176805), (55, 941444), (70, 739706), (77, 672460), (110, 470722), (140, 369853), (154, 336230), (220, 235361), (308, 168115), (385, 134492), (770, 67246), (1540, 33623)]