408055480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{887}}^1$

素因数の和:989

約数の個数: 128

約数和(自身を含む): 1104814080

約数和(自身を除く): 696758600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 53, 56, 62, 70, 106, 124, 140, 155, 212, 217, 248, 265, 280, 310, 371, 424, 434, 530, 620, 742, 868, 887, 1060, 1085, 1240, 1484, 1643, 1736, 1774, 1855, 2120, 2170, 2968, 3286, 3548, 3710, 4340, 4435, 6209, 6572, 7096, 7420, 8215, 8680, 8870, 11501, 12418, 13144, 14840, 16430, 17740, 23002, 24836, 27497, 31045, 32860, 35480, 46004, 47011, 49672, 54994, 57505, 62090, 65720, 92008, 94022, 109988, 115010, 124180, 137485, 188044, 192479, 219976, 230020, 235055, 248360, 274970, 329077, 376088, 384958, 460040, 470110, 549940, 658154, 769916, 940220, 962395, 1099880, 1316308, 1457341, 1539832, 1645385, 1880440, 1924790, 2632616, 2914682, 3290770, 3849580, 5829364, 6581540, 7286705, 7699160, 10201387, 11658728, 13163080, 14573410, 20402774, 29146820, 40805548, 51006935, 58293640, 81611096, 102013870, 204027740, 408055480]

約数ペア:

[(1, 408055480), (2, 204027740), (4, 102013870), (5, 81611096), (7, 58293640), (8, 51006935), (10, 40805548), (14, 29146820), (20, 20402774), (28, 14573410), (31, 13163080), (35, 11658728), (40, 10201387), (53, 7699160), (56, 7286705), (62, 6581540), (70, 5829364), (106, 3849580), (124, 3290770), (140, 2914682), (155, 2632616), (212, 1924790), (217, 1880440), (248, 1645385), (265, 1539832), (280, 1457341), (310, 1316308), (371, 1099880), (424, 962395), (434, 940220), (530, 769916), (620, 658154), (742, 549940), (868, 470110), (887, 460040), (1060, 384958), (1085, 376088), (1240, 329077), (1484, 274970), (1643, 248360), (1736, 235055), (1774, 230020), (1855, 219976), (2120, 192479), (2170, 188044), (2968, 137485), (3286, 124180), (3548, 115010), (3710, 109988), (4340, 94022), (4435, 92008), (6209, 65720), (6572, 62090), (7096, 57505), (7420, 54994), (8215, 49672), (8680, 47011), (8870, 46004), (11501, 35480), (12418, 32860), (13144, 31045), (14840, 27497), (16430, 24836), (17740, 23002)]