2816240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:174

約数の個数: 80

約数和(自身を含む): 7713792

約数和(自身を除く): 4897552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 107, 112, 140, 188, 214, 235, 280, 329, 376, 428, 470, 535, 560, 658, 749, 752, 856, 940, 1070, 1316, 1498, 1645, 1712, 1880, 2140, 2632, 2996, 3290, 3745, 3760, 4280, 5029, 5264, 5992, 6580, 7490, 8560, 10058, 11984, 13160, 14980, 20116, 25145, 26320, 29960, 35203, 40232, 50290, 59920, 70406, 80464, 100580, 140812, 176015, 201160, 281624, 352030, 402320, 563248, 704060, 1408120, 2816240]

約数ペア:

[(1, 2816240), (2, 1408120), (4, 704060), (5, 563248), (7, 402320), (8, 352030), (10, 281624), (14, 201160), (16, 176015), (20, 140812), (28, 100580), (35, 80464), (40, 70406), (47, 59920), (56, 50290), (70, 40232), (80, 35203), (94, 29960), (107, 26320), (112, 25145), (140, 20116), (188, 14980), (214, 13160), (235, 11984), (280, 10058), (329, 8560), (376, 7490), (428, 6580), (470, 5992), (535, 5264), (560, 5029), (658, 4280), (749, 3760), (752, 3745), (856, 3290), (940, 2996), (1070, 2632), (1316, 2140), (1498, 1880), (1645, 1712)]