138400

素因数分解:

$2^5\times 5^2\times {\mathrm{173}}^1$

素因数の和:193

約数の個数: 36

約数和(自身を含む): 339822

約数和(自身を除く): 201422

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 173, 200, 346, 400, 692, 800, 865, 1384, 1730, 2768, 3460, 4325, 5536, 6920, 8650, 13840, 17300, 27680, 34600, 69200, 138400]

約数ペア:

[(1, 138400), (2, 69200), (4, 34600), (5, 27680), (8, 17300), (10, 13840), (16, 8650), (20, 6920), (25, 5536), (32, 4325), (40, 3460), (50, 2768), (80, 1730), (100, 1384), (160, 865), (173, 800), (200, 692), (346, 400)]