4254320

素因数分解:

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

素因数の和:198

約数の個数: 80

約数和(自身を含む): 11570688

約数和(自身を除く): 7316368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 107, 112, 140, 142, 214, 280, 284, 355, 428, 497, 535, 560, 568, 710, 749, 856, 994, 1070, 1136, 1420, 1498, 1712, 1988, 2140, 2485, 2840, 2996, 3745, 3976, 4280, 4970, 5680, 5992, 7490, 7597, 7952, 8560, 9940, 11984, 14980, 15194, 19880, 29960, 30388, 37985, 39760, 53179, 59920, 60776, 75970, 106358, 121552, 151940, 212716, 265895, 303880, 425432, 531790, 607760, 850864, 1063580, 2127160, 4254320]

約数ペア:

[(1, 4254320), (2, 2127160), (4, 1063580), (5, 850864), (7, 607760), (8, 531790), (10, 425432), (14, 303880), (16, 265895), (20, 212716), (28, 151940), (35, 121552), (40, 106358), (56, 75970), (70, 60776), (71, 59920), (80, 53179), (107, 39760), (112, 37985), (140, 30388), (142, 29960), (214, 19880), (280, 15194), (284, 14980), (355, 11984), (428, 9940), (497, 8560), (535, 7952), (560, 7597), (568, 7490), (710, 5992), (749, 5680), (856, 4970), (994, 4280), (1070, 3976), (1136, 3745), (1420, 2996), (1498, 2840), (1712, 2485), (1988, 2140)]