768872020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{5491943}}^1$

素因数の和:5491959

約数の個数: 24

約数和(自身を含む): 1845293184

約数和(自身を除く): 1076421164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 5491943, 10983886, 21967772, 27459715, 38443601, 54919430, 76887202, 109838860, 153774404, 192218005, 384436010, 768872020]

約数ペア:

[(1, 768872020), (2, 384436010), (4, 192218005), (5, 153774404), (7, 109838860), (10, 76887202), (14, 54919430), (20, 38443601), (28, 27459715), (35, 21967772), (70, 10983886), (140, 5491943)]