398149920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{39499}}^1$

素因数の和:39527

約数の個数: 144

約数和(自身を含む): 1552824000

約数和(自身を除く): 1154674080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 39499, 78998, 118497, 157996, 197495, 236994, 276493, 315992, 355491, 394990, 473988, 552986, 592485, 631984, 710982, 789980, 829479, 947976, 1105972, 1184970, 1263968, 1382465, 1421964, 1579960, 1658958, 1777455, 1895952, 2211944, 2369940, 2488437, 2764930, 2843928, 3159920, 3317916, 3554910, 3791904, 4147395, 4423888, 4739880, 4976874, 5529860, 5687856, 6319840, 6635832, 7109820, 8294790, 8847776, 9479760, 9953748, 11059720, 11375712, 12442185, 13271664, 14219640, 16589580, 18959520, 19907496, 22119440, 24884370, 26543328, 28439280, 33179160, 39814992, 44238880, 49768740, 56878560, 66358320, 79629984, 99537480, 132716640, 199074960, 398149920]

約数ペア:

[(1, 398149920), (2, 199074960), (3, 132716640), (4, 99537480), (5, 79629984), (6, 66358320), (7, 56878560), (8, 49768740), (9, 44238880), (10, 39814992), (12, 33179160), (14, 28439280), (15, 26543328), (16, 24884370), (18, 22119440), (20, 19907496), (21, 18959520), (24, 16589580), (28, 14219640), (30, 13271664), (32, 12442185), (35, 11375712), (36, 11059720), (40, 9953748), (42, 9479760), (45, 8847776), (48, 8294790), (56, 7109820), (60, 6635832), (63, 6319840), (70, 5687856), (72, 5529860), (80, 4976874), (84, 4739880), (90, 4423888), (96, 4147395), (105, 3791904), (112, 3554910), (120, 3317916), (126, 3159920), (140, 2843928), (144, 2764930), (160, 2488437), (168, 2369940), (180, 2211944), (210, 1895952), (224, 1777455), (240, 1658958), (252, 1579960), (280, 1421964), (288, 1382465), (315, 1263968), (336, 1184970), (360, 1105972), (420, 947976), (480, 829479), (504, 789980), (560, 710982), (630, 631984), (672, 592485), (720, 552986), (840, 473988), (1008, 394990), (1120, 355491), (1260, 315992), (1440, 276493), (1680, 236994), (2016, 197495), (2520, 157996), (3360, 118497), (5040, 78998), (10080, 39499)]