17799460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127139}}^1$

素因数の和:127155

約数の個数: 24

約数和(自身を含む): 42719040

約数和(自身を除く): 24919580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 127139, 254278, 508556, 635695, 889973, 1271390, 1779946, 2542780, 3559892, 4449865, 8899730, 17799460]

約数ペア:

[(1, 17799460), (2, 8899730), (4, 4449865), (5, 3559892), (7, 2542780), (10, 1779946), (14, 1271390), (20, 889973), (28, 635695), (35, 508556), (70, 254278), (140, 127139)]