389634670

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{1997}}^1$

素因数の和:2292

約数の個数: 32

約数和(自身を含む): 712087200

約数和(自身を除く): 322452530

約数列:

[1, 2, 5, 10, 109, 179, 218, 358, 545, 895, 1090, 1790, 1997, 3994, 9985, 19511, 19970, 39022, 97555, 195110, 217673, 357463, 435346, 714926, 1088365, 1787315, 2176730, 3574630, 38963467, 77926934, 194817335, 389634670]

約数ペア:

[(1, 389634670), (2, 194817335), (5, 77926934), (10, 38963467), (109, 3574630), (179, 2176730), (218, 1787315), (358, 1088365), (545, 714926), (895, 435346), (1090, 357463), (1790, 217673), (1997, 195110), (3994, 97555), (9985, 39022), (19511, 19970)]