870814840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{857}}^1$

素因数の和:1085

約数の個数: 128

約数和(自身を含む): 2372198400

約数和(自身を除く): 1501383560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 191, 266, 280, 380, 382, 532, 665, 760, 764, 857, 955, 1064, 1330, 1337, 1528, 1714, 1910, 2660, 2674, 3428, 3629, 3820, 4285, 5320, 5348, 5999, 6685, 6856, 7258, 7640, 8570, 10696, 11998, 13370, 14516, 16283, 17140, 18145, 23996, 25403, 26740, 29032, 29995, 32566, 34280, 36290, 47992, 50806, 53480, 59990, 65132, 72580, 81415, 101612, 113981, 119980, 127015, 130264, 145160, 162830, 163687, 203224, 227962, 239960, 254030, 325660, 327374, 455924, 508060, 569905, 651320, 654748, 818435, 911848, 1016120, 1139810, 1145809, 1309496, 1636870, 2279620, 2291618, 3110053, 3273740, 4559240, 4583236, 5729045, 6220106, 6547480, 9166472, 11458090, 12440212, 15550265, 21770371, 22916180, 24880424, 31100530, 43540742, 45832360, 62201060, 87081484, 108851855, 124402120, 174162968, 217703710, 435407420, 870814840]

約数ペア:

[(1, 870814840), (2, 435407420), (4, 217703710), (5, 174162968), (7, 124402120), (8, 108851855), (10, 87081484), (14, 62201060), (19, 45832360), (20, 43540742), (28, 31100530), (35, 24880424), (38, 22916180), (40, 21770371), (56, 15550265), (70, 12440212), (76, 11458090), (95, 9166472), (133, 6547480), (140, 6220106), (152, 5729045), (190, 4583236), (191, 4559240), (266, 3273740), (280, 3110053), (380, 2291618), (382, 2279620), (532, 1636870), (665, 1309496), (760, 1145809), (764, 1139810), (857, 1016120), (955, 911848), (1064, 818435), (1330, 654748), (1337, 651320), (1528, 569905), (1714, 508060), (1910, 455924), (2660, 327374), (2674, 325660), (3428, 254030), (3629, 239960), (3820, 227962), (4285, 203224), (5320, 163687), (5348, 162830), (5999, 145160), (6685, 130264), (6856, 127015), (7258, 119980), (7640, 113981), (8570, 101612), (10696, 81415), (11998, 72580), (13370, 65132), (14516, 59990), (16283, 53480), (17140, 50806), (18145, 47992), (23996, 36290), (25403, 34280), (26740, 32566), (29032, 29995)]