26835340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 66361680

約数和(自身を除く): 39526340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 139, 140, 196, 197, 245, 278, 394, 490, 556, 695, 788, 973, 980, 985, 1379, 1390, 1946, 1970, 2758, 2780, 3892, 3940, 4865, 5516, 6811, 6895, 9653, 9730, 13622, 13790, 19306, 19460, 27244, 27383, 27580, 34055, 38612, 48265, 54766, 68110, 96530, 109532, 136220, 136915, 191681, 193060, 273830, 383362, 547660, 766724, 958405, 1341767, 1916810, 2683534, 3833620, 5367068, 6708835, 13417670, 26835340]

約数ペア:

[(1, 26835340), (2, 13417670), (4, 6708835), (5, 5367068), (7, 3833620), (10, 2683534), (14, 1916810), (20, 1341767), (28, 958405), (35, 766724), (49, 547660), (70, 383362), (98, 273830), (139, 193060), (140, 191681), (196, 136915), (197, 136220), (245, 109532), (278, 96530), (394, 68110), (490, 54766), (556, 48265), (695, 38612), (788, 34055), (973, 27580), (980, 27383), (985, 27244), (1379, 19460), (1390, 19306), (1946, 13790), (1970, 13622), (2758, 9730), (2780, 9653), (3892, 6895), (3940, 6811), (4865, 5516)]