2019489920

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:1011

約数の個数: 192

約数和(自身を含む): 5701440960

約数和(自身を除く): 3681951040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 71, 80, 98, 112, 128, 140, 142, 160, 196, 224, 245, 280, 284, 320, 355, 392, 448, 490, 497, 560, 568, 640, 710, 784, 896, 907, 980, 994, 1120, 1136, 1420, 1568, 1814, 1960, 1988, 2240, 2272, 2485, 2840, 3136, 3479, 3628, 3920, 3976, 4480, 4535, 4544, 4970, 5680, 6272, 6349, 6958, 7256, 7840, 7952, 9070, 9088, 9940, 11360, 12698, 13916, 14512, 15680, 15904, 17395, 18140, 19880, 22720, 25396, 27832, 29024, 31360, 31745, 31808, 34790, 36280, 39760, 44443, 45440, 50792, 55664, 58048, 63490, 63616, 64397, 69580, 72560, 79520, 88886, 101584, 111328, 116096, 126980, 128794, 139160, 145120, 159040, 177772, 203168, 222215, 222656, 253960, 257588, 278320, 290240, 318080, 321985, 355544, 406336, 444430, 445312, 450779, 507920, 515176, 556640, 580480, 643970, 711088, 812672, 888860, 901558, 1015840, 1030352, 1113280, 1287940, 1422176, 1777720, 1803116, 2031680, 2060704, 2226560, 2253895, 2575880, 2844352, 3155453, 3555440, 3606232, 4063360, 4121408, 4507790, 5151760, 5688704, 6310906, 7110880, 7212464, 8242816, 9015580, 10303520, 12621812, 14221760, 14424928, 15777265, 18031160, 20607040, 25243624, 28443520, 28849856, 31554530, 36062320, 41214080, 50487248, 57699712, 63109060, 72124640, 100974496, 126218120, 144249280, 201948992, 252436240, 288498560, 403897984, 504872480, 1009744960, 2019489920]

約数ペア:

[(1, 2019489920), (2, 1009744960), (4, 504872480), (5, 403897984), (7, 288498560), (8, 252436240), (10, 201948992), (14, 144249280), (16, 126218120), (20, 100974496), (28, 72124640), (32, 63109060), (35, 57699712), (40, 50487248), (49, 41214080), (56, 36062320), (64, 31554530), (70, 28849856), (71, 28443520), (80, 25243624), (98, 20607040), (112, 18031160), (128, 15777265), (140, 14424928), (142, 14221760), (160, 12621812), (196, 10303520), (224, 9015580), (245, 8242816), (280, 7212464), (284, 7110880), (320, 6310906), (355, 5688704), (392, 5151760), (448, 4507790), (490, 4121408), (497, 4063360), (560, 3606232), (568, 3555440), (640, 3155453), (710, 2844352), (784, 2575880), (896, 2253895), (907, 2226560), (980, 2060704), (994, 2031680), (1120, 1803116), (1136, 1777720), (1420, 1422176), (1568, 1287940), (1814, 1113280), (1960, 1030352), (1988, 1015840), (2240, 901558), (2272, 888860), (2485, 812672), (2840, 711088), (3136, 643970), (3479, 580480), (3628, 556640), (3920, 515176), (3976, 507920), (4480, 450779), (4535, 445312), (4544, 444430), (4970, 406336), (5680, 355544), (6272, 321985), (6349, 318080), (6958, 290240), (7256, 278320), (7840, 257588), (7952, 253960), (9070, 222656), (9088, 222215), (9940, 203168), (11360, 177772), (12698, 159040), (13916, 145120), (14512, 139160), (15680, 128794), (15904, 126980), (17395, 116096), (18140, 111328), (19880, 101584), (22720, 88886), (25396, 79520), (27832, 72560), (29024, 69580), (31360, 64397), (31745, 63616), (31808, 63490), (34790, 58048), (36280, 55664), (39760, 50792), (44443, 45440)]