40740420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{97001}}^1$

素因数の和:97020

約数の個数: 48

約数和(自身を含む): 130370688

約数和(自身を除く): 89630268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 97001, 194002, 291003, 388004, 485005, 582006, 679007, 970010, 1164012, 1358014, 1455015, 1940020, 2037021, 2716028, 2910030, 3395035, 4074042, 5820060, 6790070, 8148084, 10185105, 13580140, 20370210, 40740420]

約数ペア:

[(1, 40740420), (2, 20370210), (3, 13580140), (4, 10185105), (5, 8148084), (6, 6790070), (7, 5820060), (10, 4074042), (12, 3395035), (14, 2910030), (15, 2716028), (20, 2037021), (21, 1940020), (28, 1455015), (30, 1358014), (35, 1164012), (42, 970010), (60, 679007), (70, 582006), (84, 485005), (105, 388004), (140, 291003), (210, 194002), (420, 97001)]