552400

素因数分解:

$2^4\times 5^2\times {\mathrm{1381}}^1$

素因数の和:1399

約数の個数: 30

約数和(自身を含む): 1328102

約数和(自身を除く): 775702

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1381, 2762, 5524, 6905, 11048, 13810, 22096, 27620, 34525, 55240, 69050, 110480, 138100, 276200, 552400]

約数ペア:

[(1, 552400), (2, 276200), (4, 138100), (5, 110480), (8, 69050), (10, 55240), (16, 34525), (20, 27620), (25, 22096), (40, 13810), (50, 11048), (80, 6905), (100, 5524), (200, 2762), (400, 1381)]