248928260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1778059}}^1$

素因数の和:1778075

約数の個数: 24

約数和(自身を含む): 597428160

約数和(自身を除く): 348499900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1778059, 3556118, 7112236, 8890295, 12446413, 17780590, 24892826, 35561180, 49785652, 62232065, 124464130, 248928260]

約数ペア:

[(1, 248928260), (2, 124464130), (4, 62232065), (5, 49785652), (7, 35561180), (10, 24892826), (14, 17780590), (20, 12446413), (28, 8890295), (35, 7112236), (70, 3556118), (140, 1778059)]