178870090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:344

約数の個数: 96

約数和(自身を含む): 402233040

約数和(自身を除く): 223362950

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 109, 119, 170, 197, 218, 238, 245, 394, 490, 545, 595, 763, 833, 985, 1090, 1190, 1379, 1526, 1666, 1853, 1970, 2758, 3349, 3706, 3815, 4165, 5341, 6698, 6895, 7630, 8330, 9265, 9653, 10682, 12971, 13790, 16745, 18530, 19306, 21473, 23443, 25942, 26705, 33490, 42946, 46886, 48265, 53410, 64855, 90797, 96530, 107365, 117215, 129710, 150311, 164101, 181594, 214730, 234430, 300622, 328202, 365041, 453985, 730082, 751555, 820505, 907970, 1052177, 1503110, 1641010, 1825205, 2104354, 2555287, 3650410, 5110574, 5260885, 10521770, 12776435, 17887009, 25552870, 35774018, 89435045, 178870090]

約数ペア:

[(1, 178870090), (2, 89435045), (5, 35774018), (7, 25552870), (10, 17887009), (14, 12776435), (17, 10521770), (34, 5260885), (35, 5110574), (49, 3650410), (70, 2555287), (85, 2104354), (98, 1825205), (109, 1641010), (119, 1503110), (170, 1052177), (197, 907970), (218, 820505), (238, 751555), (245, 730082), (394, 453985), (490, 365041), (545, 328202), (595, 300622), (763, 234430), (833, 214730), (985, 181594), (1090, 164101), (1190, 150311), (1379, 129710), (1526, 117215), (1666, 107365), (1853, 96530), (1970, 90797), (2758, 64855), (3349, 53410), (3706, 48265), (3815, 46886), (4165, 42946), (5341, 33490), (6698, 26705), (6895, 25942), (7630, 23443), (8330, 21473), (9265, 19306), (9653, 18530), (10682, 16745), (12971, 13790)]