1787233840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{4261}}^1$

素因数の和:4395

約数の個数: 120

約数和(自身を含む): 4880058192

約数和(自身を除く): 3092824352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 107, 112, 140, 196, 214, 245, 280, 392, 428, 490, 535, 560, 749, 784, 856, 980, 1070, 1498, 1712, 1960, 2140, 2996, 3745, 3920, 4261, 4280, 5243, 5992, 7490, 8522, 8560, 10486, 11984, 14980, 17044, 20972, 21305, 26215, 29827, 29960, 34088, 41944, 42610, 52430, 59654, 59920, 68176, 83888, 85220, 104860, 119308, 149135, 170440, 208789, 209720, 238616, 298270, 340880, 417578, 419440, 455927, 477232, 596540, 835156, 911854, 1043945, 1193080, 1670312, 1823708, 2087890, 2279635, 2386160, 3191489, 3340624, 3647416, 4175780, 4559270, 6382978, 7294832, 8351560, 9118540, 12765956, 15957445, 16703120, 18237080, 22340423, 25531912, 31914890, 36474160, 44680846, 51063824, 63829780, 89361692, 111702115, 127659560, 178723384, 223404230, 255319120, 357446768, 446808460, 893616920, 1787233840]

約数ペア:

[(1, 1787233840), (2, 893616920), (4, 446808460), (5, 357446768), (7, 255319120), (8, 223404230), (10, 178723384), (14, 127659560), (16, 111702115), (20, 89361692), (28, 63829780), (35, 51063824), (40, 44680846), (49, 36474160), (56, 31914890), (70, 25531912), (80, 22340423), (98, 18237080), (107, 16703120), (112, 15957445), (140, 12765956), (196, 9118540), (214, 8351560), (245, 7294832), (280, 6382978), (392, 4559270), (428, 4175780), (490, 3647416), (535, 3340624), (560, 3191489), (749, 2386160), (784, 2279635), (856, 2087890), (980, 1823708), (1070, 1670312), (1498, 1193080), (1712, 1043945), (1960, 911854), (2140, 835156), (2996, 596540), (3745, 477232), (3920, 455927), (4261, 419440), (4280, 417578), (5243, 340880), (5992, 298270), (7490, 238616), (8522, 209720), (8560, 208789), (10486, 170440), (11984, 149135), (14980, 119308), (17044, 104860), (20972, 85220), (21305, 83888), (26215, 68176), (29827, 59920), (29960, 59654), (34088, 52430), (41944, 42610)]