137696020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89413}}^1$

素因数の和:89440

約数の個数: 48

約数和(自身を含む): 360517248

約数和(自身を除く): 222821228

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 89413, 178826, 357652, 447065, 625891, 894130, 983543, 1251782, 1788260, 1967086, 2503564, 3129455, 3934172, 4917715, 6258910, 6884801, 9835430, 12517820, 13769602, 19670860, 27539204, 34424005, 68848010, 137696020]

約数ペア:

[(1, 137696020), (2, 68848010), (4, 34424005), (5, 27539204), (7, 19670860), (10, 13769602), (11, 12517820), (14, 9835430), (20, 6884801), (22, 6258910), (28, 4917715), (35, 3934172), (44, 3129455), (55, 2503564), (70, 1967086), (77, 1788260), (110, 1251782), (140, 983543), (154, 894130), (220, 625891), (308, 447065), (385, 357652), (770, 178826), (1540, 89413)]