142090975

素因数分解:

$5^2\times {\mathrm{13}}^4\times {\mathrm{199}}^1$

素因数の和:261

約数の個数: 30

約数和(自身を含む): 191834200

約数和(自身を除く): 49743225

約数列:

[1, 5, 13, 25, 65, 169, 199, 325, 845, 995, 2197, 2587, 4225, 4975, 10985, 12935, 28561, 33631, 54925, 64675, 142805, 168155, 437203, 714025, 840775, 2186015, 5683639, 10930075, 28418195, 142090975]

約数ペア:

[(1, 142090975), (5, 28418195), (13, 10930075), (25, 5683639), (65, 2186015), (169, 840775), (199, 714025), (325, 437203), (845, 168155), (995, 142805), (2197, 64675), (2587, 54925), (4225, 33631), (4975, 28561), (10985, 12935)]