193980080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{346393}}^1$

素因数の和:346413

約数の個数: 40

約数和(自身を含む): 515434272

約数和(自身を除く): 321454192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 346393, 692786, 1385572, 1731965, 2424751, 2771144, 3463930, 4849502, 5542288, 6927860, 9699004, 12123755, 13855720, 19398008, 24247510, 27711440, 38796016, 48495020, 96990040, 193980080]

約数ペア:

[(1, 193980080), (2, 96990040), (4, 48495020), (5, 38796016), (7, 27711440), (8, 24247510), (10, 19398008), (14, 13855720), (16, 12123755), (20, 9699004), (28, 6927860), (35, 5542288), (40, 4849502), (56, 3463930), (70, 2771144), (80, 2424751), (112, 1731965), (140, 1385572), (280, 692786), (560, 346393)]