216400

素因数分解:

$2^4\times 5^2\times {\mathrm{541}}^1$

素因数の和:559

約数の個数: 30

約数和(自身を含む): 520862

約数和(自身を除く): 304462

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 541, 1082, 2164, 2705, 4328, 5410, 8656, 10820, 13525, 21640, 27050, 43280, 54100, 108200, 216400]

約数ペア:

[(1, 216400), (2, 108200), (4, 54100), (5, 43280), (8, 27050), (10, 21640), (16, 13525), (20, 10820), (25, 8656), (40, 5410), (50, 4328), (80, 2705), (100, 2164), (200, 1082), (400, 541)]