165768920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{218117}}^1$

素因数の和:218147

約数の個数: 32

約数和(自身を含む): 392612400

約数和(自身を除く): 226843480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 218117, 436234, 872468, 1090585, 1744936, 2181170, 4144223, 4362340, 8288446, 8724680, 16576892, 20721115, 33153784, 41442230, 82884460, 165768920]

約数ペア:

[(1, 165768920), (2, 82884460), (4, 41442230), (5, 33153784), (8, 20721115), (10, 16576892), (19, 8724680), (20, 8288446), (38, 4362340), (40, 4144223), (76, 2181170), (95, 1744936), (152, 1090585), (190, 872468), (380, 436234), (760, 218117)]