138500320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{123661}}^1$

素因数の和:123683

約数の個数: 48

約数和(自身を含む): 373953888

約数和(自身を除く): 235453568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 123661, 247322, 494644, 618305, 865627, 989288, 1236610, 1731254, 1978576, 2473220, 3462508, 3957152, 4328135, 4946440, 6925016, 8656270, 9892880, 13850032, 17312540, 19785760, 27700064, 34625080, 69250160, 138500320]

約数ペア:

[(1, 138500320), (2, 69250160), (4, 34625080), (5, 27700064), (7, 19785760), (8, 17312540), (10, 13850032), (14, 9892880), (16, 8656270), (20, 6925016), (28, 4946440), (32, 4328135), (35, 3957152), (40, 3462508), (56, 2473220), (70, 1978576), (80, 1731254), (112, 1236610), (140, 989288), (160, 865627), (224, 618305), (280, 494644), (560, 247322), (1120, 123661)]