7919380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{8081}}^1$

素因数の和:8104

約数の個数: 36

約数和(自身を含む): 19348308

約数和(自身を除く): 11428928

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 8081, 16162, 32324, 40405, 56567, 80810, 113134, 161620, 226268, 282835, 395969, 565670, 791938, 1131340, 1583876, 1979845, 3959690, 7919380]

約数ペア:

[(1, 7919380), (2, 3959690), (4, 1979845), (5, 1583876), (7, 1131340), (10, 791938), (14, 565670), (20, 395969), (28, 282835), (35, 226268), (49, 161620), (70, 113134), (98, 80810), (140, 56567), (196, 40405), (245, 32324), (490, 16162), (980, 8081)]