2271260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 5174400

約数和(自身を除く): 2903140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 139, 172, 190, 215, 278, 380, 430, 556, 695, 817, 860, 1390, 1634, 2641, 2780, 3268, 4085, 5282, 5977, 8170, 10564, 11954, 13205, 16340, 23908, 26410, 29885, 52820, 59770, 113563, 119540, 227126, 454252, 567815, 1135630, 2271260]

約数ペア:

[(1, 2271260), (2, 1135630), (4, 567815), (5, 454252), (10, 227126), (19, 119540), (20, 113563), (38, 59770), (43, 52820), (76, 29885), (86, 26410), (95, 23908), (139, 16340), (172, 13205), (190, 11954), (215, 10564), (278, 8170), (380, 5977), (430, 5282), (556, 4085), (695, 3268), (817, 2780), (860, 2641), (1390, 1634)]