257939570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1607}}^1\times {\mathrm{2293}}^1$

素因数の和:3914

約数の個数: 32

約数和(自身を含む): 531180288

約数和(自身を除く): 273240718

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1607, 2293, 3214, 4586, 8035, 11249, 11465, 16051, 16070, 22498, 22930, 32102, 56245, 80255, 112490, 160510, 3684851, 7369702, 18424255, 25793957, 36848510, 51587914, 128969785, 257939570]

約数ペア:

[(1, 257939570), (2, 128969785), (5, 51587914), (7, 36848510), (10, 25793957), (14, 18424255), (35, 7369702), (70, 3684851), (1607, 160510), (2293, 112490), (3214, 80255), (4586, 56245), (8035, 32102), (11249, 22930), (11465, 22498), (16051, 16070)]