199962245

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 308883456

約数和(自身を除く): 108921211

約数列:

[1, 5, 7, 17, 31, 35, 37, 85, 119, 155, 185, 217, 259, 293, 527, 595, 629, 1085, 1147, 1295, 1465, 2051, 2635, 3145, 3689, 4403, 4981, 5735, 8029, 9083, 10255, 10841, 18445, 19499, 22015, 24905, 34867, 40145, 45415, 54205, 63581, 75887, 97495, 136493, 154411, 174335, 184297, 317905, 336071, 379435, 682465, 772055, 921485, 1080877, 1290079, 1680355, 2352497, 5404385, 5713207, 6450395, 11762485, 28566035, 39992449, 199962245]

約数ペア:

[(1, 199962245), (5, 39992449), (7, 28566035), (17, 11762485), (31, 6450395), (35, 5713207), (37, 5404385), (85, 2352497), (119, 1680355), (155, 1290079), (185, 1080877), (217, 921485), (259, 772055), (293, 682465), (527, 379435), (595, 336071), (629, 317905), (1085, 184297), (1147, 174335), (1295, 154411), (1465, 136493), (2051, 97495), (2635, 75887), (3145, 63581), (3689, 54205), (4403, 45415), (4981, 40145), (5735, 34867), (8029, 24905), (9083, 22015), (10255, 19499), (10841, 18445)]