122772020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{2083}}^1$

素因数の和:2520

約数の個数: 48

約数和(自身を含む): 295494528

約数和(自身を除く): 172722508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 842, 1684, 2083, 2105, 2947, 4166, 4210, 5894, 8332, 8420, 10415, 11788, 14581, 14735, 20830, 29162, 29470, 41660, 58324, 58940, 72905, 145810, 291620, 876943, 1753886, 3507772, 4384715, 6138601, 8769430, 12277202, 17538860, 24554404, 30693005, 61386010, 122772020]

約数ペア:

[(1, 122772020), (2, 61386010), (4, 30693005), (5, 24554404), (7, 17538860), (10, 12277202), (14, 8769430), (20, 6138601), (28, 4384715), (35, 3507772), (70, 1753886), (140, 876943), (421, 291620), (842, 145810), (1684, 72905), (2083, 58940), (2105, 58324), (2947, 41660), (4166, 29470), (4210, 29162), (5894, 20830), (8332, 14735), (8420, 14581), (10415, 11788)]