90420910

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{653}}^1$

素因数の和:948

約数の個数: 32

約数和(自身を含む): 166408992

約数和(自身を除く): 75988082

約数列:

[1, 2, 5, 10, 61, 122, 227, 305, 454, 610, 653, 1135, 1306, 2270, 3265, 6530, 13847, 27694, 39833, 69235, 79666, 138470, 148231, 199165, 296462, 398330, 741155, 1482310, 9042091, 18084182, 45210455, 90420910]

約数ペア:

[(1, 90420910), (2, 45210455), (5, 18084182), (10, 9042091), (61, 1482310), (122, 741155), (227, 398330), (305, 296462), (454, 199165), (610, 148231), (653, 138470), (1135, 79666), (1306, 69235), (2270, 39833), (3265, 27694), (6530, 13847)]