28296520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{14437}}^1$

素因数の和:14462

約数の個数: 48

約数和(自身を含む): 74066940

約数和(自身を除く): 45770420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 14437, 28874, 57748, 72185, 101059, 115496, 144370, 202118, 288740, 404236, 505295, 577480, 707413, 808472, 1010590, 1414826, 2021180, 2829652, 3537065, 4042360, 5659304, 7074130, 14148260, 28296520]

約数ペア:

[(1, 28296520), (2, 14148260), (4, 7074130), (5, 5659304), (7, 4042360), (8, 3537065), (10, 2829652), (14, 2021180), (20, 1414826), (28, 1010590), (35, 808472), (40, 707413), (49, 577480), (56, 505295), (70, 404236), (98, 288740), (140, 202118), (196, 144370), (245, 115496), (280, 101059), (392, 72185), (490, 57748), (980, 28874), (1960, 14437)]