9994700

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1123}}^1$

素因数の和:1226

約数の個数: 36

約数和(自身を含む): 21951720

約数和(自身を除く): 11957020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1123, 1780, 2225, 2246, 4450, 4492, 5615, 8900, 11230, 22460, 28075, 56150, 99947, 112300, 199894, 399788, 499735, 999470, 1998940, 2498675, 4997350, 9994700]

約数ペア:

[(1, 9994700), (2, 4997350), (4, 2498675), (5, 1998940), (10, 999470), (20, 499735), (25, 399788), (50, 199894), (89, 112300), (100, 99947), (178, 56150), (356, 28075), (445, 22460), (890, 11230), (1123, 8900), (1780, 5615), (2225, 4492), (2246, 4450)]