291244720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1451}}^1$

素因数の和:1670

約数の個数: 80

約数和(自身を含む): 733515552

約数和(自身を除く): 442270832

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 193, 208, 260, 386, 520, 772, 965, 1040, 1451, 1544, 1930, 2509, 2902, 3088, 3860, 5018, 5804, 7255, 7720, 10036, 11608, 12545, 14510, 15440, 18863, 20072, 23216, 25090, 29020, 37726, 40144, 50180, 58040, 75452, 94315, 100360, 116080, 150904, 188630, 200720, 280043, 301808, 377260, 560086, 754520, 1120172, 1400215, 1509040, 2240344, 2800430, 3640559, 4480688, 5600860, 7281118, 11201720, 14562236, 18202795, 22403440, 29124472, 36405590, 58248944, 72811180, 145622360, 291244720]

約数ペア:

[(1, 291244720), (2, 145622360), (4, 72811180), (5, 58248944), (8, 36405590), (10, 29124472), (13, 22403440), (16, 18202795), (20, 14562236), (26, 11201720), (40, 7281118), (52, 5600860), (65, 4480688), (80, 3640559), (104, 2800430), (130, 2240344), (193, 1509040), (208, 1400215), (260, 1120172), (386, 754520), (520, 560086), (772, 377260), (965, 301808), (1040, 280043), (1451, 200720), (1544, 188630), (1930, 150904), (2509, 116080), (2902, 100360), (3088, 94315), (3860, 75452), (5018, 58040), (5804, 50180), (7255, 40144), (7720, 37726), (10036, 29020), (11608, 25090), (12545, 23216), (14510, 20072), (15440, 18863)]