13838020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1019}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 33586560

約数和(自身を除く): 19748540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1019, 1358, 1940, 2038, 2716, 3395, 4076, 5095, 6790, 7133, 10190, 13580, 14266, 20380, 28532, 35665, 71330, 98843, 142660, 197686, 395372, 494215, 691901, 988430, 1383802, 1976860, 2767604, 3459505, 6919010, 13838020]

約数ペア:

[(1, 13838020), (2, 6919010), (4, 3459505), (5, 2767604), (7, 1976860), (10, 1383802), (14, 988430), (20, 691901), (28, 494215), (35, 395372), (70, 197686), (97, 142660), (140, 98843), (194, 71330), (388, 35665), (485, 28532), (679, 20380), (970, 14266), (1019, 13580), (1358, 10190), (1940, 7133), (2038, 6790), (2716, 5095), (3395, 4076)]