168154420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1201103}}^1$

素因数の和:1201119

約数の個数: 24

約数和(自身を含む): 403570944

約数和(自身を除く): 235416524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1201103, 2402206, 4804412, 6005515, 8407721, 12011030, 16815442, 24022060, 33630884, 42038605, 84077210, 168154420]

約数ペア:

[(1, 168154420), (2, 84077210), (4, 42038605), (5, 33630884), (7, 24022060), (10, 16815442), (14, 12011030), (20, 8407721), (28, 6005515), (35, 4804412), (70, 2402206), (140, 1201103)]