208522090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:511

約数の個数: 64

約数和(自身を含む): 439582464

約数和(自身を除く): 231060374

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 173, 257, 335, 346, 469, 514, 670, 865, 938, 1211, 1285, 1730, 1799, 2345, 2422, 2570, 3598, 4690, 6055, 8995, 11591, 12110, 17219, 17990, 23182, 34438, 44461, 57955, 81137, 86095, 88922, 115910, 120533, 162274, 172190, 222305, 241066, 311227, 405685, 444610, 602665, 622454, 811370, 1205330, 1556135, 2978887, 3112270, 5957774, 14894435, 20852209, 29788870, 41704418, 104261045, 208522090]

約数ペア:

[(1, 208522090), (2, 104261045), (5, 41704418), (7, 29788870), (10, 20852209), (14, 14894435), (35, 5957774), (67, 3112270), (70, 2978887), (134, 1556135), (173, 1205330), (257, 811370), (335, 622454), (346, 602665), (469, 444610), (514, 405685), (670, 311227), (865, 241066), (938, 222305), (1211, 172190), (1285, 162274), (1730, 120533), (1799, 115910), (2345, 88922), (2422, 86095), (2570, 81137), (3598, 57955), (4690, 44461), (6055, 34438), (8995, 23182), (11591, 17990), (12110, 17219)]