4241440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{541}}^1$

素因数の和:570

約数の個数: 72

約数和(自身を含む): 11677932

約数和(自身を除く): 7436492

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 541, 560, 784, 980, 1082, 1120, 1568, 1960, 2164, 2705, 3787, 3920, 4328, 5410, 7574, 7840, 8656, 10820, 15148, 17312, 18935, 21640, 26509, 30296, 37870, 43280, 53018, 60592, 75740, 86560, 106036, 121184, 132545, 151480, 212072, 265090, 302960, 424144, 530180, 605920, 848288, 1060360, 2120720, 4241440]

約数ペア:

[(1, 4241440), (2, 2120720), (4, 1060360), (5, 848288), (7, 605920), (8, 530180), (10, 424144), (14, 302960), (16, 265090), (20, 212072), (28, 151480), (32, 132545), (35, 121184), (40, 106036), (49, 86560), (56, 75740), (70, 60592), (80, 53018), (98, 43280), (112, 37870), (140, 30296), (160, 26509), (196, 21640), (224, 18935), (245, 17312), (280, 15148), (392, 10820), (490, 8656), (541, 7840), (560, 7574), (784, 5410), (980, 4328), (1082, 3920), (1120, 3787), (1568, 2705), (1960, 2164)]