188012020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{27407}}^1$

素因数の和:27437

約数の個数: 48

約数和(自身を含む): 460454400

約数和(自身を除く): 272442380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 27407, 54814, 109628, 137035, 191849, 274070, 383698, 548140, 767396, 959245, 1342943, 1918490, 2685886, 3836980, 5371772, 6714715, 9400601, 13429430, 18801202, 26858860, 37602404, 47003005, 94006010, 188012020]

約数ペア:

[(1, 188012020), (2, 94006010), (4, 47003005), (5, 37602404), (7, 26858860), (10, 18801202), (14, 13429430), (20, 9400601), (28, 6714715), (35, 5371772), (49, 3836980), (70, 2685886), (98, 1918490), (140, 1342943), (196, 959245), (245, 767396), (343, 548140), (490, 383698), (686, 274070), (980, 191849), (1372, 137035), (1715, 109628), (3430, 54814), (6860, 27407)]