1282940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2789}}^1$

素因数の和:2821

約数の個数: 24

約数和(自身を含む): 2812320

約数和(自身を除く): 1529380

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 2789, 5578, 11156, 13945, 27890, 55780, 64147, 128294, 256588, 320735, 641470, 1282940]

約数ペア:

[(1, 1282940), (2, 641470), (4, 320735), (5, 256588), (10, 128294), (20, 64147), (23, 55780), (46, 27890), (92, 13945), (115, 11156), (230, 5578), (460, 2789)]