49785820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1787}}^1$

素因数の和:2002

約数の個数: 48

約数和(自身を含む): 120153600

約数和(自身を除く): 70367780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 995, 1393, 1787, 1990, 2786, 3574, 3980, 5572, 6965, 7148, 8935, 12509, 13930, 17870, 25018, 27860, 35740, 50036, 62545, 125090, 250180, 355613, 711226, 1422452, 1778065, 2489291, 3556130, 4978582, 7112260, 9957164, 12446455, 24892910, 49785820]

約数ペア:

[(1, 49785820), (2, 24892910), (4, 12446455), (5, 9957164), (7, 7112260), (10, 4978582), (14, 3556130), (20, 2489291), (28, 1778065), (35, 1422452), (70, 711226), (140, 355613), (199, 250180), (398, 125090), (796, 62545), (995, 50036), (1393, 35740), (1787, 27860), (1990, 25018), (2786, 17870), (3574, 13930), (3980, 12509), (5572, 8935), (6965, 7148)]