219565590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{318211}}^1$

素因数の和:318244

約数の個数: 32

約数和(自身を含む): 549870336

約数和(自身を除く): 330304746

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 318211, 636422, 954633, 1591055, 1909266, 3182110, 4773165, 7318853, 9546330, 14637706, 21956559, 36594265, 43913118, 73188530, 109782795, 219565590]

約数ペア:

[(1, 219565590), (2, 109782795), (3, 73188530), (5, 43913118), (6, 36594265), (10, 21956559), (15, 14637706), (23, 9546330), (30, 7318853), (46, 4773165), (69, 3182110), (115, 1909266), (138, 1591055), (230, 954633), (345, 636422), (690, 318211)]