1286140

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{601}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 2730672

約数和(自身を除く): 1444532

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 601, 1070, 1202, 2140, 2404, 3005, 6010, 12020, 64307, 128614, 257228, 321535, 643070, 1286140]

約数ペア:

[(1, 1286140), (2, 643070), (4, 321535), (5, 257228), (10, 128614), (20, 64307), (107, 12020), (214, 6010), (428, 3005), (535, 2404), (601, 2140), (1070, 1202)]