55379660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{881}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 133358400

約数和(自身を除く): 77978740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 449, 881, 898, 1762, 1796, 2245, 3143, 3524, 4405, 4490, 6167, 6286, 8810, 8980, 12334, 12572, 15715, 17620, 24668, 30835, 31430, 61670, 62860, 123340, 395569, 791138, 1582276, 1977845, 2768983, 3955690, 5537966, 7911380, 11075932, 13844915, 27689830, 55379660]

約数ペア:

[(1, 55379660), (2, 27689830), (4, 13844915), (5, 11075932), (7, 7911380), (10, 5537966), (14, 3955690), (20, 2768983), (28, 1977845), (35, 1582276), (70, 791138), (140, 395569), (449, 123340), (881, 62860), (898, 61670), (1762, 31430), (1796, 30835), (2245, 24668), (3143, 17620), (3524, 15715), (4405, 12572), (4490, 12334), (6167, 8980), (6286, 8810)]