69990910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{2803}}^1$

素因数の和:3048

約数の個数: 32

約数和(自身を含む): 138091392

約数和(自身を除く): 68100482

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 227, 454, 1135, 2270, 2497, 2803, 4994, 5606, 12485, 14015, 24970, 28030, 30833, 61666, 154165, 308330, 636281, 1272562, 3181405, 6362810, 6999091, 13998182, 34995455, 69990910]

約数ペア:

[(1, 69990910), (2, 34995455), (5, 13998182), (10, 6999091), (11, 6362810), (22, 3181405), (55, 1272562), (110, 636281), (227, 308330), (454, 154165), (1135, 61666), (2270, 30833), (2497, 28030), (2803, 24970), (4994, 14015), (5606, 12485)]