7778140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 17543232

約数和(自身を除く): 9765092

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 457, 460, 740, 851, 914, 1702, 1828, 2285, 3404, 4255, 4570, 8510, 9140, 10511, 16909, 17020, 21022, 33818, 42044, 52555, 67636, 84545, 105110, 169090, 210220, 338180, 388907, 777814, 1555628, 1944535, 3889070, 7778140]

約数ペア:

[(1, 7778140), (2, 3889070), (4, 1944535), (5, 1555628), (10, 777814), (20, 388907), (23, 338180), (37, 210220), (46, 169090), (74, 105110), (92, 84545), (115, 67636), (148, 52555), (185, 42044), (230, 33818), (370, 21022), (457, 17020), (460, 16909), (740, 10511), (851, 9140), (914, 8510), (1702, 4570), (1828, 4255), (2285, 3404)]