7879480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 20528640

約数和(自身を除く): 12649160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 263, 280, 428, 526, 535, 749, 856, 1052, 1070, 1315, 1498, 1841, 2104, 2140, 2630, 2996, 3682, 3745, 4280, 5260, 5992, 7364, 7490, 9205, 10520, 14728, 14980, 18410, 28141, 29960, 36820, 56282, 73640, 112564, 140705, 196987, 225128, 281410, 393974, 562820, 787948, 984935, 1125640, 1575896, 1969870, 3939740, 7879480]

約数ペア:

[(1, 7879480), (2, 3939740), (4, 1969870), (5, 1575896), (7, 1125640), (8, 984935), (10, 787948), (14, 562820), (20, 393974), (28, 281410), (35, 225128), (40, 196987), (56, 140705), (70, 112564), (107, 73640), (140, 56282), (214, 36820), (263, 29960), (280, 28141), (428, 18410), (526, 14980), (535, 14728), (749, 10520), (856, 9205), (1052, 7490), (1070, 7364), (1315, 5992), (1498, 5260), (1841, 4280), (2104, 3745), (2140, 3682), (2630, 2996)]