904102580

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{68389}}^1$

素因数の和:69059

約数の個数: 24

約数和(自身を含む): 1901515560

約数和(自身を除く): 997412980

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 6610, 13220, 68389, 136778, 273556, 341945, 683890, 1367780, 45205129, 90410258, 180820516, 226025645, 452051290, 904102580]

約数ペア:

[(1, 904102580), (2, 452051290), (4, 226025645), (5, 180820516), (10, 90410258), (20, 45205129), (661, 1367780), (1322, 683890), (2644, 341945), (3305, 273556), (6610, 136778), (13220, 68389)]