855380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2251}}^1$

素因数の和:2279

約数の個数: 24

約数和(自身を含む): 1891680

約数和(自身を除く): 1036300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2251, 4502, 9004, 11255, 22510, 42769, 45020, 85538, 171076, 213845, 427690, 855380]

約数ペア:

[(1, 855380), (2, 427690), (4, 213845), (5, 171076), (10, 85538), (19, 45020), (20, 42769), (38, 22510), (76, 11255), (95, 9004), (190, 4502), (380, 2251)]