11211740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 24578400

約数和(自身を除く): 13366660

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 109, 139, 148, 185, 218, 278, 370, 436, 545, 556, 695, 740, 1090, 1390, 2180, 2780, 4033, 5143, 8066, 10286, 15151, 16132, 20165, 20572, 25715, 30302, 40330, 51430, 60604, 75755, 80660, 102860, 151510, 303020, 560587, 1121174, 2242348, 2802935, 5605870, 11211740]

約数ペア:

[(1, 11211740), (2, 5605870), (4, 2802935), (5, 2242348), (10, 1121174), (20, 560587), (37, 303020), (74, 151510), (109, 102860), (139, 80660), (148, 75755), (185, 60604), (218, 51430), (278, 40330), (370, 30302), (436, 25715), (545, 20572), (556, 20165), (695, 16132), (740, 15151), (1090, 10286), (1390, 8066), (2180, 5143), (2780, 4033)]