1338800

素因数分解:

$2^4\times 5^2\times {\mathrm{3347}}^1$

素因数の和:3365

約数の個数: 30

約数和(自身を含む): 3217428

約数和(自身を除く): 1878628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 3347, 6694, 13388, 16735, 26776, 33470, 53552, 66940, 83675, 133880, 167350, 267760, 334700, 669400, 1338800]

約数ペア:

[(1, 1338800), (2, 669400), (4, 334700), (5, 267760), (8, 167350), (10, 133880), (16, 83675), (20, 66940), (25, 53552), (40, 33470), (50, 26776), (80, 16735), (100, 13388), (200, 6694), (400, 3347)]