173660980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{2153}}^1$

素因数の和:2308

約数の個数: 48

約数和(自身を含む): 378156240

約数和(自身を除く): 204495260

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 109, 148, 185, 218, 370, 436, 545, 740, 1090, 2153, 2180, 4033, 4306, 8066, 8612, 10765, 16132, 20165, 21530, 40330, 43060, 79661, 80660, 159322, 234677, 318644, 398305, 469354, 796610, 938708, 1173385, 1593220, 2346770, 4693540, 8683049, 17366098, 34732196, 43415245, 86830490, 173660980]

約数ペア:

[(1, 173660980), (2, 86830490), (4, 43415245), (5, 34732196), (10, 17366098), (20, 8683049), (37, 4693540), (74, 2346770), (109, 1593220), (148, 1173385), (185, 938708), (218, 796610), (370, 469354), (436, 398305), (545, 318644), (740, 234677), (1090, 159322), (2153, 80660), (2180, 79661), (4033, 43060), (4306, 40330), (8066, 21530), (8612, 20165), (10765, 16132)]