26711860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 66160584

約数和(自身を除く): 39448724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 140, 194, 196, 245, 281, 388, 485, 490, 562, 679, 970, 980, 1124, 1358, 1405, 1940, 1967, 2716, 2810, 3395, 3934, 4753, 5620, 6790, 7868, 9506, 9835, 13580, 13769, 19012, 19670, 23765, 27257, 27538, 39340, 47530, 54514, 55076, 68845, 95060, 109028, 136285, 137690, 190799, 272570, 275380, 381598, 545140, 763196, 953995, 1335593, 1907990, 2671186, 3815980, 5342372, 6677965, 13355930, 26711860]

約数ペア:

[(1, 26711860), (2, 13355930), (4, 6677965), (5, 5342372), (7, 3815980), (10, 2671186), (14, 1907990), (20, 1335593), (28, 953995), (35, 763196), (49, 545140), (70, 381598), (97, 275380), (98, 272570), (140, 190799), (194, 137690), (196, 136285), (245, 109028), (281, 95060), (388, 68845), (485, 55076), (490, 54514), (562, 47530), (679, 39340), (970, 27538), (980, 27257), (1124, 23765), (1358, 19670), (1405, 19012), (1940, 13769), (1967, 13580), (2716, 9835), (2810, 9506), (3395, 7868), (3934, 6790), (4753, 5620)]