207640540

素因数分解:

$2^2\times 5^1\times {\mathrm{2957}}^1\times {\mathrm{3511}}^1$

素因数の和:6477

約数の個数: 24

約数和(自身を含む): 436316832

約数和(自身を除く): 228676292

約数列:

[1, 2, 4, 5, 10, 20, 2957, 3511, 5914, 7022, 11828, 14044, 14785, 17555, 29570, 35110, 59140, 70220, 10382027, 20764054, 41528108, 51910135, 103820270, 207640540]

約数ペア:

[(1, 207640540), (2, 103820270), (4, 51910135), (5, 41528108), (10, 20764054), (20, 10382027), (2957, 70220), (3511, 59140), (5914, 35110), (7022, 29570), (11828, 17555), (14044, 14785)]