2145390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5501}}^1$

素因数の和:5524

約数の個数: 32

約数和(自身を含む): 5546016

約数和(自身を除く): 3400626

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 5501, 11002, 16503, 27505, 33006, 55010, 71513, 82515, 143026, 165030, 214539, 357565, 429078, 715130, 1072695, 2145390]

約数ペア:

[(1, 2145390), (2, 1072695), (3, 715130), (5, 429078), (6, 357565), (10, 214539), (13, 165030), (15, 143026), (26, 82515), (30, 71513), (39, 55010), (65, 33006), (78, 27505), (130, 16503), (195, 11002), (390, 5501)]