29872780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{563}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 72011520

約数和(自身を除く): 42138740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 379, 563, 758, 1126, 1516, 1895, 2252, 2653, 2815, 3790, 3941, 5306, 5630, 7580, 7882, 10612, 11260, 13265, 15764, 19705, 26530, 39410, 53060, 78820, 213377, 426754, 853508, 1066885, 1493639, 2133770, 2987278, 4267540, 5974556, 7468195, 14936390, 29872780]

約数ペア:

[(1, 29872780), (2, 14936390), (4, 7468195), (5, 5974556), (7, 4267540), (10, 2987278), (14, 2133770), (20, 1493639), (28, 1066885), (35, 853508), (70, 426754), (140, 213377), (379, 78820), (563, 53060), (758, 39410), (1126, 26530), (1516, 19705), (1895, 15764), (2252, 13265), (2653, 11260), (2815, 10612), (3790, 7882), (3941, 7580), (5306, 5630)]