199401620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{906371}}^1$

素因数の和:906391

約数の個数: 24

約数和(自身を含む): 456811488

約数和(自身を除く): 257409868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 906371, 1812742, 3625484, 4531855, 9063710, 9970081, 18127420, 19940162, 39880324, 49850405, 99700810, 199401620]

約数ペア:

[(1, 199401620), (2, 99700810), (4, 49850405), (5, 39880324), (10, 19940162), (11, 18127420), (20, 9970081), (22, 9063710), (44, 4531855), (55, 3625484), (110, 1812742), (220, 906371)]