4986140

素因数分解:

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

素因数の和:198

約数の個数: 36

約数和(自身を含む): 10804248

約数和(自身を除く): 5818108

約数列:

[1, 2, 4, 5, 10, 20, 61, 67, 122, 134, 244, 268, 305, 335, 610, 670, 1220, 1340, 3721, 4087, 7442, 8174, 14884, 16348, 18605, 20435, 37210, 40870, 74420, 81740, 249307, 498614, 997228, 1246535, 2493070, 4986140]

約数ペア:

[(1, 4986140), (2, 2493070), (4, 1246535), (5, 997228), (10, 498614), (20, 249307), (61, 81740), (67, 74420), (122, 40870), (134, 37210), (244, 20435), (268, 18605), (305, 16348), (335, 14884), (610, 8174), (670, 7442), (1220, 4087), (1340, 3721)]