3939740

素因数分解:

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

素因数の和:386

約数の個数: 48

約数和(自身を含む): 9580032

約数和(自身を除く): 5640292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 263, 428, 526, 535, 749, 1052, 1070, 1315, 1498, 1841, 2140, 2630, 2996, 3682, 3745, 5260, 7364, 7490, 9205, 14980, 18410, 28141, 36820, 56282, 112564, 140705, 196987, 281410, 393974, 562820, 787948, 984935, 1969870, 3939740]

約数ペア:

[(1, 3939740), (2, 1969870), (4, 984935), (5, 787948), (7, 562820), (10, 393974), (14, 281410), (20, 196987), (28, 140705), (35, 112564), (70, 56282), (107, 36820), (140, 28141), (214, 18410), (263, 14980), (428, 9205), (526, 7490), (535, 7364), (749, 5260), (1052, 3745), (1070, 3682), (1315, 2996), (1498, 2630), (1841, 2140)]