10991260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{78509}}^1$

素因数の和:78525

約数の個数: 24

約数和(自身を含む): 26379360

約数和(自身を除く): 15388100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 78509, 157018, 314036, 392545, 549563, 785090, 1099126, 1570180, 2198252, 2747815, 5495630, 10991260]

約数ペア:

[(1, 10991260), (2, 5495630), (4, 2747815), (5, 2198252), (7, 1570180), (10, 1099126), (14, 785090), (20, 549563), (28, 392545), (35, 314036), (70, 157018), (140, 78509)]