7428260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{547}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 18044544

約数和(自身を除く): 10616284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 547, 679, 970, 1094, 1358, 1940, 2188, 2716, 2735, 3395, 3829, 5470, 6790, 7658, 10940, 13580, 15316, 19145, 38290, 53059, 76580, 106118, 212236, 265295, 371413, 530590, 742826, 1061180, 1485652, 1857065, 3714130, 7428260]

約数ペア:

[(1, 7428260), (2, 3714130), (4, 1857065), (5, 1485652), (7, 1061180), (10, 742826), (14, 530590), (20, 371413), (28, 265295), (35, 212236), (70, 106118), (97, 76580), (140, 53059), (194, 38290), (388, 19145), (485, 15316), (547, 13580), (679, 10940), (970, 7658), (1094, 6790), (1358, 5470), (1940, 3829), (2188, 3395), (2716, 2735)]