219857560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{422803}}^1$

素因数の和:422827

約数の個数: 32

約数和(自身を含む): 532733040

約数和(自身を除く): 312875480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 422803, 845606, 1691212, 2114015, 3382424, 4228030, 5496439, 8456060, 10992878, 16912120, 21985756, 27482195, 43971512, 54964390, 109928780, 219857560]

約数ペア:

[(1, 219857560), (2, 109928780), (4, 54964390), (5, 43971512), (8, 27482195), (10, 21985756), (13, 16912120), (20, 10992878), (26, 8456060), (40, 5496439), (52, 4228030), (65, 3382424), (104, 2114015), (130, 1691212), (260, 845606), (520, 422803)]