49929100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 117874400

約数和(自身を除く): 67945300

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 193, 199, 260, 325, 386, 398, 650, 772, 796, 965, 995, 1300, 1930, 1990, 2509, 2587, 3860, 3980, 4825, 4975, 5018, 5174, 9650, 9950, 10036, 10348, 12545, 12935, 19300, 19900, 25090, 25870, 38407, 50180, 51740, 62725, 64675, 76814, 125450, 129350, 153628, 192035, 250900, 258700, 384070, 499291, 768140, 960175, 998582, 1920350, 1997164, 2496455, 3840700, 4992910, 9985820, 12482275, 24964550, 49929100]

約数ペア:

[(1, 49929100), (2, 24964550), (4, 12482275), (5, 9985820), (10, 4992910), (13, 3840700), (20, 2496455), (25, 1997164), (26, 1920350), (50, 998582), (52, 960175), (65, 768140), (100, 499291), (130, 384070), (193, 258700), (199, 250900), (260, 192035), (325, 153628), (386, 129350), (398, 125450), (650, 76814), (772, 64675), (796, 62725), (965, 51740), (995, 50180), (1300, 38407), (1930, 25870), (1990, 25090), (2509, 19900), (2587, 19300), (3860, 12935), (3980, 12545), (4825, 10348), (4975, 10036), (5018, 9950), (5174, 9650)]