312492020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{3823}}^1$

素因数の和:3960

約数の個数: 48

約数和(自身を含む): 677123328

約数和(自身を除く): 364631308

約数列:

[1, 2, 4, 5, 10, 20, 61, 67, 122, 134, 244, 268, 305, 335, 610, 670, 1220, 1340, 3823, 4087, 7646, 8174, 15292, 16348, 19115, 20435, 38230, 40870, 76460, 81740, 233203, 256141, 466406, 512282, 932812, 1024564, 1166015, 1280705, 2332030, 2561410, 4664060, 5122820, 15624601, 31249202, 62498404, 78123005, 156246010, 312492020]

約数ペア:

[(1, 312492020), (2, 156246010), (4, 78123005), (5, 62498404), (10, 31249202), (20, 15624601), (61, 5122820), (67, 4664060), (122, 2561410), (134, 2332030), (244, 1280705), (268, 1166015), (305, 1024564), (335, 932812), (610, 512282), (670, 466406), (1220, 256141), (1340, 233203), (3823, 81740), (4087, 76460), (7646, 40870), (8174, 38230), (15292, 20435), (16348, 19115)]