26426680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 70383600

約数和(自身を除く): 43956920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 97, 98, 139, 140, 194, 196, 245, 278, 280, 388, 392, 485, 490, 556, 679, 695, 776, 970, 973, 980, 1112, 1358, 1390, 1940, 1946, 1960, 2716, 2780, 3395, 3880, 3892, 4753, 4865, 5432, 5560, 6790, 6811, 7784, 9506, 9730, 13483, 13580, 13622, 19012, 19460, 23765, 26966, 27160, 27244, 34055, 38024, 38920, 47530, 53932, 54488, 67415, 68110, 94381, 95060, 107864, 134830, 136220, 188762, 190120, 269660, 272440, 377524, 471905, 539320, 660667, 755048, 943810, 1321334, 1887620, 2642668, 3303335, 3775240, 5285336, 6606670, 13213340, 26426680]

約数ペア:

[(1, 26426680), (2, 13213340), (4, 6606670), (5, 5285336), (7, 3775240), (8, 3303335), (10, 2642668), (14, 1887620), (20, 1321334), (28, 943810), (35, 755048), (40, 660667), (49, 539320), (56, 471905), (70, 377524), (97, 272440), (98, 269660), (139, 190120), (140, 188762), (194, 136220), (196, 134830), (245, 107864), (278, 95060), (280, 94381), (388, 68110), (392, 67415), (485, 54488), (490, 53932), (556, 47530), (679, 38920), (695, 38024), (776, 34055), (970, 27244), (973, 27160), (980, 26966), (1112, 23765), (1358, 19460), (1390, 19012), (1940, 13622), (1946, 13580), (1960, 13483), (2716, 9730), (2780, 9506), (3395, 7784), (3880, 6811), (3892, 6790), (4753, 5560), (4865, 5432)]