252400

素因数分解:

$2^4\times 5^2\times {\mathrm{631}}^1$

素因数の和:649

約数の個数: 30

約数和(自身を含む): 607352

約数和(自身を除く): 354952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 631, 1262, 2524, 3155, 5048, 6310, 10096, 12620, 15775, 25240, 31550, 50480, 63100, 126200, 252400]

約数ペア:

[(1, 252400), (2, 126200), (4, 63100), (5, 50480), (8, 31550), (10, 25240), (16, 15775), (20, 12620), (25, 10096), (40, 6310), (50, 5048), (80, 3155), (100, 2524), (200, 1262), (400, 631)]