1277255630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{91691}}^1$

素因数の和:91904

約数の個数: 32

約数和(自身を含む): 2640729600

約数和(自身を除く): 1363473970

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 199, 398, 995, 1393, 1990, 2786, 6965, 13930, 91691, 183382, 458455, 641837, 916910, 1283674, 3209185, 6418370, 18246509, 36493018, 91232545, 127725563, 182465090, 255451126, 638627815, 1277255630]

約数ペア:

[(1, 1277255630), (2, 638627815), (5, 255451126), (7, 182465090), (10, 127725563), (14, 91232545), (35, 36493018), (70, 18246509), (199, 6418370), (398, 3209185), (995, 1283674), (1393, 916910), (1990, 641837), (2786, 458455), (6965, 183382), (13930, 91691)]