153052420

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{78893}}^1$

素因数の和:78999

約数の個数: 24

約数和(自身を含む): 324727704

約数和(自身を除く): 171675284

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 78893, 157786, 315572, 394465, 788930, 1577860, 7652621, 15305242, 30610484, 38263105, 76526210, 153052420]

約数ペア:

[(1, 153052420), (2, 76526210), (4, 38263105), (5, 30610484), (10, 15305242), (20, 7652621), (97, 1577860), (194, 788930), (388, 394465), (485, 315572), (970, 157786), (1940, 78893)]