29780240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 82441152

約数和(自身を除く): 52660912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 71, 80, 98, 107, 112, 140, 142, 196, 214, 245, 280, 284, 355, 392, 428, 490, 497, 535, 560, 568, 710, 749, 784, 856, 980, 994, 1070, 1136, 1420, 1498, 1712, 1960, 1988, 2140, 2485, 2840, 2996, 3479, 3745, 3920, 3976, 4280, 4970, 5243, 5680, 5992, 6958, 7490, 7597, 7952, 8560, 9940, 10486, 11984, 13916, 14980, 15194, 17395, 19880, 20972, 26215, 27832, 29960, 30388, 34790, 37985, 39760, 41944, 52430, 53179, 55664, 59920, 60776, 69580, 75970, 83888, 104860, 106358, 121552, 139160, 151940, 209720, 212716, 265895, 278320, 303880, 372253, 419440, 425432, 531790, 607760, 744506, 850864, 1063580, 1489012, 1861265, 2127160, 2978024, 3722530, 4254320, 5956048, 7445060, 14890120, 29780240]

約数ペア:

[(1, 29780240), (2, 14890120), (4, 7445060), (5, 5956048), (7, 4254320), (8, 3722530), (10, 2978024), (14, 2127160), (16, 1861265), (20, 1489012), (28, 1063580), (35, 850864), (40, 744506), (49, 607760), (56, 531790), (70, 425432), (71, 419440), (80, 372253), (98, 303880), (107, 278320), (112, 265895), (140, 212716), (142, 209720), (196, 151940), (214, 139160), (245, 121552), (280, 106358), (284, 104860), (355, 83888), (392, 75970), (428, 69580), (490, 60776), (497, 59920), (535, 55664), (560, 53179), (568, 52430), (710, 41944), (749, 39760), (784, 37985), (856, 34790), (980, 30388), (994, 29960), (1070, 27832), (1136, 26215), (1420, 20972), (1498, 19880), (1712, 17395), (1960, 15194), (1988, 14980), (2140, 13916), (2485, 11984), (2840, 10486), (2996, 9940), (3479, 8560), (3745, 7952), (3920, 7597), (3976, 7490), (4280, 6958), (4970, 5992), (5243, 5680)]