53978260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{385559}}^1$

素因数の和:385575

約数の個数: 24

約数和(自身を含む): 129548160

約数和(自身を除く): 75569900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 385559, 771118, 1542236, 1927795, 2698913, 3855590, 5397826, 7711180, 10795652, 13494565, 26989130, 53978260]

約数ペア:

[(1, 53978260), (2, 26989130), (4, 13494565), (5, 10795652), (7, 7711180), (10, 5397826), (14, 3855590), (20, 2698913), (28, 1927795), (35, 1542236), (70, 771118), (140, 385559)]