1520753825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{743}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 2066534400

約数和(自身を除く): 545780575

約数列:

[1, 5, 19, 25, 31, 95, 139, 155, 475, 589, 695, 743, 775, 2641, 2945, 3475, 3715, 4309, 13205, 14117, 14725, 18575, 21545, 23033, 66025, 70585, 81871, 103277, 107725, 115165, 352925, 409355, 437627, 516385, 575825, 1962263, 2046775, 2188135, 2581925, 3201587, 9811315, 10940675, 16007935, 49056575, 60830153, 80039675, 304150765, 1520753825]

約数ペア:

[(1, 1520753825), (5, 304150765), (19, 80039675), (25, 60830153), (31, 49056575), (95, 16007935), (139, 10940675), (155, 9811315), (475, 3201587), (589, 2581925), (695, 2188135), (743, 2046775), (775, 1962263), (2641, 575825), (2945, 516385), (3475, 437627), (3715, 409355), (4309, 352925), (13205, 115165), (14117, 107725), (14725, 103277), (18575, 81871), (21545, 70585), (23033, 66025)]