254219840

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:585

約数の個数: 168

約数和(自身を含む): 728301312

約数和(自身を除く): 474081472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 320, 392, 434, 448, 490, 496, 523, 560, 620, 784, 868, 980, 992, 1046, 1085, 1120, 1240, 1519, 1568, 1736, 1960, 1984, 2092, 2170, 2240, 2480, 2615, 3038, 3136, 3472, 3661, 3920, 4184, 4340, 4960, 5230, 6076, 6944, 7322, 7595, 7840, 8368, 8680, 9920, 10460, 12152, 13888, 14644, 15190, 15680, 16213, 16736, 17360, 18305, 20920, 24304, 25627, 29288, 30380, 32426, 33472, 34720, 36610, 41840, 48608, 51254, 58576, 60760, 64852, 69440, 73220, 81065, 83680, 97216, 102508, 113491, 117152, 121520, 128135, 129704, 146440, 162130, 167360, 205016, 226982, 234304, 243040, 256270, 259408, 292880, 324260, 410032, 453964, 486080, 512540, 518816, 567455, 585760, 648520, 794437, 820064, 907928, 1025080, 1037632, 1134910, 1171520, 1297040, 1588874, 1640128, 1815856, 2050160, 2269820, 2594080, 3177748, 3631712, 3972185, 4100320, 4539640, 5188160, 6355496, 7263424, 7944370, 8200640, 9079280, 12710992, 15888740, 18158560, 25421984, 31777480, 36317120, 50843968, 63554960, 127109920, 254219840]

約数ペア:

[(1, 254219840), (2, 127109920), (4, 63554960), (5, 50843968), (7, 36317120), (8, 31777480), (10, 25421984), (14, 18158560), (16, 15888740), (20, 12710992), (28, 9079280), (31, 8200640), (32, 7944370), (35, 7263424), (40, 6355496), (49, 5188160), (56, 4539640), (62, 4100320), (64, 3972185), (70, 3631712), (80, 3177748), (98, 2594080), (112, 2269820), (124, 2050160), (140, 1815856), (155, 1640128), (160, 1588874), (196, 1297040), (217, 1171520), (224, 1134910), (245, 1037632), (248, 1025080), (280, 907928), (310, 820064), (320, 794437), (392, 648520), (434, 585760), (448, 567455), (490, 518816), (496, 512540), (523, 486080), (560, 453964), (620, 410032), (784, 324260), (868, 292880), (980, 259408), (992, 256270), (1046, 243040), (1085, 234304), (1120, 226982), (1240, 205016), (1519, 167360), (1568, 162130), (1736, 146440), (1960, 129704), (1984, 128135), (2092, 121520), (2170, 117152), (2240, 113491), (2480, 102508), (2615, 97216), (3038, 83680), (3136, 81065), (3472, 73220), (3661, 69440), (3920, 64852), (4184, 60760), (4340, 58576), (4960, 51254), (5230, 48608), (6076, 41840), (6944, 36610), (7322, 34720), (7595, 33472), (7840, 32426), (8368, 30380), (8680, 29288), (9920, 25627), (10460, 24304), (12152, 20920), (13888, 18305), (14644, 17360), (15190, 16736), (15680, 16213)]