29980990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1093}}^1$

素因数の和:1324

約数の個数: 32

約数和(自身を含む): 58445856

約数和(自身を除く): 28464866

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 211, 422, 1055, 1093, 2110, 2186, 2743, 5465, 5486, 10930, 13715, 14209, 27430, 28418, 71045, 142090, 230623, 461246, 1153115, 2306230, 2998099, 5996198, 14990495, 29980990]

約数ペア:

[(1, 29980990), (2, 14990495), (5, 5996198), (10, 2998099), (13, 2306230), (26, 1153115), (65, 461246), (130, 230623), (211, 142090), (422, 71045), (1055, 28418), (1093, 27430), (2110, 14209), (2186, 13715), (2743, 10930), (5465, 5486)]