12383420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{449}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 29937600

約数和(自身を除く): 17554180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 449, 788, 898, 985, 1379, 1796, 1970, 2245, 2758, 3143, 3940, 4490, 5516, 6286, 6895, 8980, 12572, 13790, 15715, 27580, 31430, 62860, 88453, 176906, 353812, 442265, 619171, 884530, 1238342, 1769060, 2476684, 3095855, 6191710, 12383420]

約数ペア:

[(1, 12383420), (2, 6191710), (4, 3095855), (5, 2476684), (7, 1769060), (10, 1238342), (14, 884530), (20, 619171), (28, 442265), (35, 353812), (70, 176906), (140, 88453), (197, 62860), (394, 31430), (449, 27580), (788, 15715), (898, 13790), (985, 12572), (1379, 8980), (1796, 6895), (1970, 6286), (2245, 5516), (2758, 4490), (3143, 3940)]