127524400

素因数分解:

$2^4\times 5^2\times {\mathrm{318811}}^1$

素因数の和:318829

約数の個数: 30

約数和(自身を含む): 306378332

約数和(自身を除く): 178853932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 318811, 637622, 1275244, 1594055, 2550488, 3188110, 5100976, 6376220, 7970275, 12752440, 15940550, 25504880, 31881100, 63762200, 127524400]

約数ペア:

[(1, 127524400), (2, 63762200), (4, 31881100), (5, 25504880), (8, 15940550), (10, 12752440), (16, 7970275), (20, 6376220), (25, 5100976), (40, 3188110), (50, 2550488), (80, 1594055), (100, 1275244), (200, 637622), (400, 318811)]