90787340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{648481}}^1$

素因数の和:648497

約数の個数: 24

約数和(自身を含む): 217889952

約数和(自身を除く): 127102612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 648481, 1296962, 2593924, 3242405, 4539367, 6484810, 9078734, 12969620, 18157468, 22696835, 45393670, 90787340]

約数ペア:

[(1, 90787340), (2, 45393670), (4, 22696835), (5, 18157468), (7, 12969620), (10, 9078734), (14, 6484810), (20, 4539367), (28, 3242405), (35, 2593924), (70, 1296962), (140, 648481)]