251997984

素因数分解:

$2^5\times 3^2\times 7^3\times {\mathrm{2551}}^1$

素因数の和:2588

約数の個数: 144

約数和(自身を含む): 836035200

約数和(自身を除く): 584037216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 84, 96, 98, 112, 126, 144, 147, 168, 196, 224, 252, 288, 294, 336, 343, 392, 441, 504, 588, 672, 686, 784, 882, 1008, 1029, 1176, 1372, 1568, 1764, 2016, 2058, 2352, 2551, 2744, 3087, 3528, 4116, 4704, 5102, 5488, 6174, 7056, 7653, 8232, 10204, 10976, 12348, 14112, 15306, 16464, 17857, 20408, 22959, 24696, 30612, 32928, 35714, 40816, 45918, 49392, 53571, 61224, 71428, 81632, 91836, 98784, 107142, 122448, 124999, 142856, 160713, 183672, 214284, 244896, 249998, 285712, 321426, 367344, 374997, 428568, 499996, 571424, 642852, 734688, 749994, 857136, 874993, 999992, 1124991, 1285704, 1499988, 1714272, 1749986, 1999984, 2249982, 2571408, 2624979, 2999976, 3499972, 3999968, 4499964, 5142816, 5249958, 5999952, 6999944, 7874937, 8999928, 10499916, 11999904, 13999888, 15749874, 17999856, 20999832, 27999776, 31499748, 35999712, 41999664, 62999496, 83999328, 125998992, 251997984]

約数ペア:

[(1, 251997984), (2, 125998992), (3, 83999328), (4, 62999496), (6, 41999664), (7, 35999712), (8, 31499748), (9, 27999776), (12, 20999832), (14, 17999856), (16, 15749874), (18, 13999888), (21, 11999904), (24, 10499916), (28, 8999928), (32, 7874937), (36, 6999944), (42, 5999952), (48, 5249958), (49, 5142816), (56, 4499964), (63, 3999968), (72, 3499972), (84, 2999976), (96, 2624979), (98, 2571408), (112, 2249982), (126, 1999984), (144, 1749986), (147, 1714272), (168, 1499988), (196, 1285704), (224, 1124991), (252, 999992), (288, 874993), (294, 857136), (336, 749994), (343, 734688), (392, 642852), (441, 571424), (504, 499996), (588, 428568), (672, 374997), (686, 367344), (784, 321426), (882, 285712), (1008, 249998), (1029, 244896), (1176, 214284), (1372, 183672), (1568, 160713), (1764, 142856), (2016, 124999), (2058, 122448), (2352, 107142), (2551, 98784), (2744, 91836), (3087, 81632), (3528, 71428), (4116, 61224), (4704, 53571), (5102, 49392), (5488, 45918), (6174, 40816), (7056, 35714), (7653, 32928), (8232, 30612), (10204, 24696), (10976, 22959), (12348, 20408), (14112, 17857), (15306, 16464)]