2718940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19421}}^1$

素因数の和:19437

約数の個数: 24

約数和(自身を含む): 6525792

約数和(自身を除く): 3806852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 19421, 38842, 77684, 97105, 135947, 194210, 271894, 388420, 543788, 679735, 1359470, 2718940]

約数ペア:

[(1, 2718940), (2, 1359470), (4, 679735), (5, 543788), (7, 388420), (10, 271894), (14, 194210), (20, 135947), (28, 97105), (35, 77684), (70, 38842), (140, 19421)]