163957220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1171123}}^1$

素因数の和:1171139

約数の個数: 24

約数和(自身を含む): 393497664

約数和(自身を除く): 229540444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1171123, 2342246, 4684492, 5855615, 8197861, 11711230, 16395722, 23422460, 32791444, 40989305, 81978610, 163957220]

約数ペア:

[(1, 163957220), (2, 81978610), (4, 40989305), (5, 32791444), (7, 23422460), (10, 16395722), (14, 11711230), (20, 8197861), (28, 5855615), (35, 4684492), (70, 2342246), (140, 1171123)]