54975740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{727}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 122304000

約数和(自身を除く): 67328260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 199, 380, 398, 727, 796, 995, 1454, 1990, 2908, 3635, 3781, 3980, 7270, 7562, 13813, 14540, 15124, 18905, 27626, 37810, 55252, 69065, 75620, 138130, 144673, 276260, 289346, 578692, 723365, 1446730, 2748787, 2893460, 5497574, 10995148, 13743935, 27487870, 54975740]

約数ペア:

[(1, 54975740), (2, 27487870), (4, 13743935), (5, 10995148), (10, 5497574), (19, 2893460), (20, 2748787), (38, 1446730), (76, 723365), (95, 578692), (190, 289346), (199, 276260), (380, 144673), (398, 138130), (727, 75620), (796, 69065), (995, 55252), (1454, 37810), (1990, 27626), (2908, 18905), (3635, 15124), (3781, 14540), (3980, 13813), (7270, 7562)]