29900080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:626

約数の個数: 80

約数和(自身を含む): 80352000

約数和(自身を除く): 50451920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 107, 112, 140, 214, 280, 428, 499, 535, 560, 749, 856, 998, 1070, 1498, 1712, 1996, 2140, 2495, 2996, 3493, 3745, 3992, 4280, 4990, 5992, 6986, 7490, 7984, 8560, 9980, 11984, 13972, 14980, 17465, 19960, 27944, 29960, 34930, 39920, 53393, 55888, 59920, 69860, 106786, 139720, 213572, 266965, 279440, 373751, 427144, 533930, 747502, 854288, 1067860, 1495004, 1868755, 2135720, 2990008, 3737510, 4271440, 5980016, 7475020, 14950040, 29900080]

約数ペア:

[(1, 29900080), (2, 14950040), (4, 7475020), (5, 5980016), (7, 4271440), (8, 3737510), (10, 2990008), (14, 2135720), (16, 1868755), (20, 1495004), (28, 1067860), (35, 854288), (40, 747502), (56, 533930), (70, 427144), (80, 373751), (107, 279440), (112, 266965), (140, 213572), (214, 139720), (280, 106786), (428, 69860), (499, 59920), (535, 55888), (560, 53393), (749, 39920), (856, 34930), (998, 29960), (1070, 27944), (1498, 19960), (1712, 17465), (1996, 14980), (2140, 13972), (2495, 11984), (2996, 9980), (3493, 8560), (3745, 7984), (3992, 7490), (4280, 6986), (4990, 5992)]