74744420

素因数分解:

$2^2\times 5^1\times {\mathrm{1789}}^1\times {\mathrm{2089}}^1$

素因数の和:3887

約数の個数: 24

約数和(自身を含む): 157126200

約数和(自身を除く): 82381780

約数列:

[1, 2, 4, 5, 10, 20, 1789, 2089, 3578, 4178, 7156, 8356, 8945, 10445, 17890, 20890, 35780, 41780, 3737221, 7474442, 14948884, 18686105, 37372210, 74744420]

約数ペア:

[(1, 74744420), (2, 37372210), (4, 18686105), (5, 14948884), (10, 7474442), (20, 3737221), (1789, 41780), (2089, 35780), (3578, 20890), (4178, 17890), (7156, 10445), (8356, 8945)]