4991140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{463}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 13329792

約数和(自身を除く): 8338652

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 463, 490, 539, 770, 926, 980, 1078, 1540, 1852, 2156, 2315, 2695, 3241, 4630, 5093, 5390, 6482, 9260, 10186, 10780, 12964, 16205, 20372, 22687, 25465, 32410, 35651, 45374, 50930, 64820, 71302, 90748, 101860, 113435, 142604, 178255, 226870, 249557, 356510, 453740, 499114, 713020, 998228, 1247785, 2495570, 4991140]

約数ペア:

[(1, 4991140), (2, 2495570), (4, 1247785), (5, 998228), (7, 713020), (10, 499114), (11, 453740), (14, 356510), (20, 249557), (22, 226870), (28, 178255), (35, 142604), (44, 113435), (49, 101860), (55, 90748), (70, 71302), (77, 64820), (98, 50930), (110, 45374), (140, 35651), (154, 32410), (196, 25465), (220, 22687), (245, 20372), (308, 16205), (385, 12964), (463, 10780), (490, 10186), (539, 9260), (770, 6482), (926, 5390), (980, 5093), (1078, 4630), (1540, 3241), (1852, 2695), (2156, 2315)]