198246160

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:621

約数の個数: 120

約数和(自身を含む): 542483136

約数和(自身を除く): 344236976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 103, 112, 140, 196, 206, 245, 280, 392, 412, 490, 491, 515, 560, 721, 784, 824, 980, 982, 1030, 1442, 1648, 1960, 1964, 2060, 2455, 2884, 3437, 3605, 3920, 3928, 4120, 4910, 5047, 5768, 6874, 7210, 7856, 8240, 9820, 10094, 11536, 13748, 14420, 17185, 19640, 20188, 24059, 25235, 27496, 28840, 34370, 39280, 40376, 48118, 50470, 50573, 54992, 57680, 68740, 80752, 96236, 100940, 101146, 120295, 137480, 192472, 201880, 202292, 240590, 252865, 274960, 354011, 384944, 403760, 404584, 481180, 505730, 708022, 809168, 962360, 1011460, 1416044, 1770055, 1924720, 2022920, 2478077, 2832088, 3540110, 4045840, 4956154, 5664176, 7080220, 9912308, 12390385, 14160440, 19824616, 24780770, 28320880, 39649232, 49561540, 99123080, 198246160]

約数ペア:

[(1, 198246160), (2, 99123080), (4, 49561540), (5, 39649232), (7, 28320880), (8, 24780770), (10, 19824616), (14, 14160440), (16, 12390385), (20, 9912308), (28, 7080220), (35, 5664176), (40, 4956154), (49, 4045840), (56, 3540110), (70, 2832088), (80, 2478077), (98, 2022920), (103, 1924720), (112, 1770055), (140, 1416044), (196, 1011460), (206, 962360), (245, 809168), (280, 708022), (392, 505730), (412, 481180), (490, 404584), (491, 403760), (515, 384944), (560, 354011), (721, 274960), (784, 252865), (824, 240590), (980, 202292), (982, 201880), (1030, 192472), (1442, 137480), (1648, 120295), (1960, 101146), (1964, 100940), (2060, 96236), (2455, 80752), (2884, 68740), (3437, 57680), (3605, 54992), (3920, 50573), (3928, 50470), (4120, 48118), (4910, 40376), (5047, 39280), (5768, 34370), (6874, 28840), (7210, 27496), (7856, 25235), (8240, 24059), (9820, 20188), (10094, 19640), (11536, 17185), (13748, 14420)]