25813690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 54583200

約数和(自身を除く): 28769510

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 139, 245, 278, 379, 490, 695, 758, 973, 1390, 1895, 1946, 2653, 3790, 4865, 5306, 6811, 9730, 13265, 13622, 18571, 26530, 34055, 37142, 52681, 68110, 92855, 105362, 185710, 263405, 368767, 526810, 737534, 1843835, 2581369, 3687670, 5162738, 12906845, 25813690]

約数ペア:

[(1, 25813690), (2, 12906845), (5, 5162738), (7, 3687670), (10, 2581369), (14, 1843835), (35, 737534), (49, 526810), (70, 368767), (98, 263405), (139, 185710), (245, 105362), (278, 92855), (379, 68110), (490, 52681), (695, 37142), (758, 34055), (973, 26530), (1390, 18571), (1895, 13622), (1946, 13265), (2653, 9730), (3790, 6811), (4865, 5306)]