220392440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239557}}^1$

素因数の和:239591

約数の個数: 32

約数和(自身を含む): 517445280

約数和(自身を除く): 297052840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 239557, 479114, 958228, 1197785, 1916456, 2395570, 4791140, 5509811, 9582280, 11019622, 22039244, 27549055, 44078488, 55098110, 110196220, 220392440]

約数ペア:

[(1, 220392440), (2, 110196220), (4, 55098110), (5, 44078488), (8, 27549055), (10, 22039244), (20, 11019622), (23, 9582280), (40, 5509811), (46, 4791140), (92, 2395570), (115, 1916456), (184, 1197785), (230, 958228), (460, 479114), (920, 239557)]