87152050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{461}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 171864000

約数和(自身を除く): 84711950

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 199, 398, 461, 475, 922, 950, 995, 1990, 2305, 3781, 4610, 4975, 7562, 8759, 9950, 11525, 17518, 18905, 23050, 37810, 43795, 87590, 91739, 94525, 183478, 189050, 218975, 437950, 458695, 917390, 1743041, 2293475, 3486082, 4586950, 8715205, 17430410, 43576025, 87152050]

約数ペア:

[(1, 87152050), (2, 43576025), (5, 17430410), (10, 8715205), (19, 4586950), (25, 3486082), (38, 2293475), (50, 1743041), (95, 917390), (190, 458695), (199, 437950), (398, 218975), (461, 189050), (475, 183478), (922, 94525), (950, 91739), (995, 87590), (1990, 43795), (2305, 37810), (3781, 23050), (4610, 18905), (4975, 17518), (7562, 11525), (8759, 9950)]