121254140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{866101}}^1$

素因数の和:866117

約数の個数: 24

約数和(自身を含む): 291010272

約数和(自身を除く): 169756132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 866101, 1732202, 3464404, 4330505, 6062707, 8661010, 12125414, 17322020, 24250828, 30313535, 60627070, 121254140]

約数ペア:

[(1, 121254140), (2, 60627070), (4, 30313535), (5, 24250828), (7, 17322020), (10, 12125414), (14, 8661010), (20, 6062707), (28, 4330505), (35, 3464404), (70, 1732202), (140, 866101)]